20426520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:98

約数の個数: 192

約数和(自身を含む): 70732800

約数和(自身を除く): 50306280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 31, 34, 38, 40, 51, 57, 60, 62, 68, 76, 85, 93, 95, 102, 114, 120, 124, 136, 152, 155, 170, 186, 190, 204, 228, 248, 255, 285, 289, 310, 323, 340, 372, 380, 408, 456, 465, 510, 527, 570, 578, 589, 620, 646, 680, 744, 760, 867, 930, 969, 1020, 1054, 1140, 1156, 1178, 1240, 1292, 1445, 1581, 1615, 1734, 1767, 1860, 1938, 2040, 2108, 2280, 2312, 2356, 2584, 2635, 2890, 2945, 3162, 3230, 3468, 3534, 3720, 3876, 4216, 4335, 4712, 4845, 5270, 5491, 5780, 5890, 6324, 6460, 6936, 7068, 7752, 7905, 8670, 8835, 8959, 9690, 10013, 10540, 10982, 11560, 11780, 12648, 12920, 14136, 15810, 16473, 17340, 17670, 17918, 19380, 20026, 21080, 21964, 23560, 26877, 27455, 30039, 31620, 32946, 34680, 35340, 35836, 38760, 40052, 43928, 44795, 50065, 53754, 54910, 60078, 63240, 65892, 70680, 71672, 80104, 82365, 89590, 100130, 107508, 109820, 120156, 131784, 134385, 150195, 164730, 170221, 179180, 200260, 215016, 219640, 240312, 268770, 300390, 329460, 340442, 358360, 400520, 510663, 537540, 600780, 658920, 680884, 851105, 1021326, 1075080, 1201560, 1361768, 1702210, 2042652, 2553315, 3404420, 4085304, 5106630, 6808840, 10213260, 20426520]

約数ペア:

[(1, 20426520), (2, 10213260), (3, 6808840), (4, 5106630), (5, 4085304), (6, 3404420), (8, 2553315), (10, 2042652), (12, 1702210), (15, 1361768), (17, 1201560), (19, 1075080), (20, 1021326), (24, 851105), (30, 680884), (31, 658920), (34, 600780), (38, 537540), (40, 510663), (51, 400520), (57, 358360), (60, 340442), (62, 329460), (68, 300390), (76, 268770), (85, 240312), (93, 219640), (95, 215016), (102, 200260), (114, 179180), (120, 170221), (124, 164730), (136, 150195), (152, 134385), (155, 131784), (170, 120156), (186, 109820), (190, 107508), (204, 100130), (228, 89590), (248, 82365), (255, 80104), (285, 71672), (289, 70680), (310, 65892), (323, 63240), (340, 60078), (372, 54910), (380, 53754), (408, 50065), (456, 44795), (465, 43928), (510, 40052), (527, 38760), (570, 35836), (578, 35340), (589, 34680), (620, 32946), (646, 31620), (680, 30039), (744, 27455), (760, 26877), (867, 23560), (930, 21964), (969, 21080), (1020, 20026), (1054, 19380), (1140, 17918), (1156, 17670), (1178, 17340), (1240, 16473), (1292, 15810), (1445, 14136), (1581, 12920), (1615, 12648), (1734, 11780), (1767, 11560), (1860, 10982), (1938, 10540), (2040, 10013), (2108, 9690), (2280, 8959), (2312, 8835), (2356, 8670), (2584, 7905), (2635, 7752), (2890, 7068), (2945, 6936), (3162, 6460), (3230, 6324), (3468, 5890), (3534, 5780), (3720, 5491), (3876, 5270), (4216, 4845), (4335, 4712)]