20221320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:228

約数の個数: 192

約数和(自身を含む): 74692800

約数和(自身を除く): 54471480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 49, 56, 57, 60, 70, 76, 84, 95, 98, 105, 114, 120, 133, 140, 147, 152, 168, 181, 190, 196, 210, 228, 245, 266, 280, 285, 294, 362, 380, 392, 399, 420, 456, 490, 532, 543, 570, 588, 665, 724, 735, 760, 798, 840, 905, 931, 980, 1064, 1086, 1140, 1176, 1267, 1330, 1448, 1470, 1596, 1810, 1862, 1960, 1995, 2172, 2280, 2534, 2660, 2715, 2793, 2940, 3192, 3439, 3620, 3724, 3801, 3990, 4344, 4655, 5068, 5320, 5430, 5586, 5880, 6335, 6878, 7240, 7448, 7602, 7980, 8869, 9310, 10136, 10317, 10860, 11172, 12670, 13756, 13965, 15204, 15960, 17195, 17738, 18620, 19005, 20634, 21720, 22344, 24073, 25340, 26607, 27512, 27930, 30408, 34390, 35476, 37240, 38010, 41268, 44345, 48146, 50680, 51585, 53214, 55860, 68780, 70952, 72219, 76020, 82536, 88690, 96292, 103170, 106428, 111720, 120365, 133035, 137560, 144438, 152040, 168511, 177380, 192584, 206340, 212856, 240730, 266070, 288876, 337022, 354760, 361095, 412680, 481460, 505533, 532140, 577752, 674044, 722190, 842555, 962920, 1011066, 1064280, 1348088, 1444380, 1685110, 2022132, 2527665, 2888760, 3370220, 4044264, 5055330, 6740440, 10110660, 20221320]

約数ペア:

[(1, 20221320), (2, 10110660), (3, 6740440), (4, 5055330), (5, 4044264), (6, 3370220), (7, 2888760), (8, 2527665), (10, 2022132), (12, 1685110), (14, 1444380), (15, 1348088), (19, 1064280), (20, 1011066), (21, 962920), (24, 842555), (28, 722190), (30, 674044), (35, 577752), (38, 532140), (40, 505533), (42, 481460), (49, 412680), (56, 361095), (57, 354760), (60, 337022), (70, 288876), (76, 266070), (84, 240730), (95, 212856), (98, 206340), (105, 192584), (114, 177380), (120, 168511), (133, 152040), (140, 144438), (147, 137560), (152, 133035), (168, 120365), (181, 111720), (190, 106428), (196, 103170), (210, 96292), (228, 88690), (245, 82536), (266, 76020), (280, 72219), (285, 70952), (294, 68780), (362, 55860), (380, 53214), (392, 51585), (399, 50680), (420, 48146), (456, 44345), (490, 41268), (532, 38010), (543, 37240), (570, 35476), (588, 34390), (665, 30408), (724, 27930), (735, 27512), (760, 26607), (798, 25340), (840, 24073), (905, 22344), (931, 21720), (980, 20634), (1064, 19005), (1086, 18620), (1140, 17738), (1176, 17195), (1267, 15960), (1330, 15204), (1448, 13965), (1470, 13756), (1596, 12670), (1810, 11172), (1862, 10860), (1960, 10317), (1995, 10136), (2172, 9310), (2280, 8869), (2534, 7980), (2660, 7602), (2715, 7448), (2793, 7240), (2940, 6878), (3192, 6335), (3439, 5880), (3620, 5586), (3724, 5430), (3801, 5320), (3990, 5068), (4344, 4655)]