20382960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 160

約数和(自身を含む): 69995520

約数和(自身を除く): 49612560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 47, 48, 52, 60, 65, 78, 80, 94, 104, 120, 130, 139, 141, 156, 188, 195, 208, 235, 240, 260, 278, 282, 312, 376, 390, 417, 470, 520, 556, 564, 611, 624, 695, 705, 752, 780, 834, 940, 1040, 1112, 1128, 1222, 1390, 1410, 1560, 1668, 1807, 1833, 1880, 2085, 2224, 2256, 2444, 2780, 2820, 3055, 3120, 3336, 3614, 3666, 3760, 4170, 4888, 5421, 5560, 5640, 6110, 6533, 6672, 7228, 7332, 8340, 9035, 9165, 9776, 10842, 11120, 11280, 12220, 13066, 14456, 14664, 16680, 18070, 18330, 19599, 21684, 24440, 26132, 27105, 28912, 29328, 32665, 33360, 36140, 36660, 39198, 43368, 48880, 52264, 54210, 65330, 72280, 73320, 78396, 84929, 86736, 97995, 104528, 108420, 130660, 144560, 146640, 156792, 169858, 195990, 216840, 254787, 261320, 313584, 339716, 391980, 424645, 433680, 509574, 522640, 679432, 783960, 849290, 1019148, 1273935, 1358864, 1567920, 1698580, 2038296, 2547870, 3397160, 4076592, 5095740, 6794320, 10191480, 20382960]

約数ペア:

[(1, 20382960), (2, 10191480), (3, 6794320), (4, 5095740), (5, 4076592), (6, 3397160), (8, 2547870), (10, 2038296), (12, 1698580), (13, 1567920), (15, 1358864), (16, 1273935), (20, 1019148), (24, 849290), (26, 783960), (30, 679432), (39, 522640), (40, 509574), (47, 433680), (48, 424645), (52, 391980), (60, 339716), (65, 313584), (78, 261320), (80, 254787), (94, 216840), (104, 195990), (120, 169858), (130, 156792), (139, 146640), (141, 144560), (156, 130660), (188, 108420), (195, 104528), (208, 97995), (235, 86736), (240, 84929), (260, 78396), (278, 73320), (282, 72280), (312, 65330), (376, 54210), (390, 52264), (417, 48880), (470, 43368), (520, 39198), (556, 36660), (564, 36140), (611, 33360), (624, 32665), (695, 29328), (705, 28912), (752, 27105), (780, 26132), (834, 24440), (940, 21684), (1040, 19599), (1112, 18330), (1128, 18070), (1222, 16680), (1390, 14664), (1410, 14456), (1560, 13066), (1668, 12220), (1807, 11280), (1833, 11120), (1880, 10842), (2085, 9776), (2224, 9165), (2256, 9035), (2444, 8340), (2780, 7332), (2820, 7228), (3055, 6672), (3120, 6533), (3336, 6110), (3614, 5640), (3666, 5560), (3760, 5421), (4170, 4888)]