20180887948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1\times {\mathrm{23893}}^1$

素因数の和:24386

約数の個数: 48

約数和(自身を含む): 39151752640

約数和(自身を除く): 18970864692

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 439, 481, 878, 962, 1756, 1924, 5707, 11414, 16243, 22828, 23893, 32486, 47786, 64972, 95572, 211159, 310609, 422318, 621218, 844636, 884041, 1242436, 1768082, 3536164, 10489027, 11492533, 20978054, 22985066, 41956108, 45970132, 136357351, 272714702, 388093999, 545429404, 776187998, 1552375996, 5045221987, 10090443974, 20180887948]

約数ペア:

[(1, 20180887948), (2, 10090443974), (4, 5045221987), (13, 1552375996), (26, 776187998), (37, 545429404), (52, 388093999), (74, 272714702), (148, 136357351), (439, 45970132), (481, 41956108), (878, 22985066), (962, 20978054), (1756, 11492533), (1924, 10489027), (5707, 3536164), (11414, 1768082), (16243, 1242436), (22828, 884041), (23893, 844636), (32486, 621218), (47786, 422318), (64972, 310609), (95572, 211159)]