20512382940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{10429}}^1$

素因数の和:10681

約数の個数: 216

約数和(自身を含む): 72710951040

約数和(自身を除く): 52198568100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 223, 245, 252, 294, 315, 420, 441, 446, 490, 588, 630, 669, 735, 882, 892, 980, 1115, 1260, 1338, 1470, 1561, 1764, 2007, 2205, 2230, 2676, 2940, 3122, 3345, 4014, 4410, 4460, 4683, 6244, 6690, 7805, 8028, 8820, 9366, 10035, 10429, 10927, 13380, 14049, 15610, 18732, 20070, 20858, 21854, 23415, 28098, 31220, 31287, 32781, 40140, 41716, 43708, 46830, 52145, 54635, 56196, 62574, 65562, 70245, 73003, 93660, 93861, 98343, 104290, 109270, 125148, 131124, 140490, 146006, 156435, 163905, 187722, 196686, 208580, 218540, 219009, 280980, 292012, 312870, 327810, 365015, 375444, 393372, 438018, 469305, 491715, 511021, 625740, 655620, 657027, 730030, 876036, 938610, 983430, 1022042, 1095045, 1314054, 1460060, 1533063, 1877220, 1966860, 2044084, 2190090, 2325667, 2555105, 2628108, 3066126, 3285135, 4380180, 4599189, 4651334, 5110210, 6132252, 6570270, 6977001, 7665315, 9198378, 9302668, 10220420, 11628335, 13140540, 13954002, 15330630, 16279669, 18396756, 20931003, 22995945, 23256670, 27908004, 30661260, 32559338, 34885005, 41862006, 45991890, 46513340, 48839007, 65118676, 69770010, 81398345, 83724012, 91983780, 97678014, 104655015, 113957683, 139540020, 146517021, 162796690, 195356028, 209310030, 227915366, 244195035, 293034042, 325593380, 341873049, 418620060, 455830732, 488390070, 569788415, 586068084, 683746098, 732585105, 976780140, 1025619147, 1139576830, 1367492196, 1465170210, 1709365245, 2051238294, 2279153660, 2930340420, 3418730490, 4102476588, 5128095735, 6837460980, 10256191470, 20512382940]

約数ペア:

[(1, 20512382940), (2, 10256191470), (3, 6837460980), (4, 5128095735), (5, 4102476588), (6, 3418730490), (7, 2930340420), (9, 2279153660), (10, 2051238294), (12, 1709365245), (14, 1465170210), (15, 1367492196), (18, 1139576830), (20, 1025619147), (21, 976780140), (28, 732585105), (30, 683746098), (35, 586068084), (36, 569788415), (42, 488390070), (45, 455830732), (49, 418620060), (60, 341873049), (63, 325593380), (70, 293034042), (84, 244195035), (90, 227915366), (98, 209310030), (105, 195356028), (126, 162796690), (140, 146517021), (147, 139540020), (180, 113957683), (196, 104655015), (210, 97678014), (223, 91983780), (245, 83724012), (252, 81398345), (294, 69770010), (315, 65118676), (420, 48839007), (441, 46513340), (446, 45991890), (490, 41862006), (588, 34885005), (630, 32559338), (669, 30661260), (735, 27908004), (882, 23256670), (892, 22995945), (980, 20931003), (1115, 18396756), (1260, 16279669), (1338, 15330630), (1470, 13954002), (1561, 13140540), (1764, 11628335), (2007, 10220420), (2205, 9302668), (2230, 9198378), (2676, 7665315), (2940, 6977001), (3122, 6570270), (3345, 6132252), (4014, 5110210), (4410, 4651334), (4460, 4599189), (4683, 4380180), (6244, 3285135), (6690, 3066126), (7805, 2628108), (8028, 2555105), (8820, 2325667), (9366, 2190090), (10035, 2044084), (10429, 1966860), (10927, 1877220), (13380, 1533063), (14049, 1460060), (15610, 1314054), (18732, 1095045), (20070, 1022042), (20858, 983430), (21854, 938610), (23415, 876036), (28098, 730030), (31220, 657027), (31287, 655620), (32781, 625740), (40140, 511021), (41716, 491715), (43708, 469305), (46830, 438018), (52145, 393372), (54635, 375444), (56196, 365015), (62574, 327810), (65562, 312870), (70245, 292012), (73003, 280980), (93660, 219009), (93861, 218540), (98343, 208580), (104290, 196686), (109270, 187722), (125148, 163905), (131124, 156435), (140490, 146006)]