20888928016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6246689}}^1$

素因数の和:6246727

約数の個数: 40

約数和(自身を含む): 46475373600

約数和(自身を除く): 25586445584

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 6246689, 12493378, 24986756, 49973512, 68713579, 99947024, 118687091, 137427158, 237374182, 274854316, 474748364, 549708632, 949496728, 1099417264, 1305558001, 1898993456, 2611116002, 5222232004, 10444464008, 20888928016]

約数ペア:

[(1, 20888928016), (2, 10444464008), (4, 5222232004), (8, 2611116002), (11, 1898993456), (16, 1305558001), (19, 1099417264), (22, 949496728), (38, 549708632), (44, 474748364), (76, 274854316), (88, 237374182), (152, 137427158), (176, 118687091), (209, 99947024), (304, 68713579), (418, 49973512), (836, 24986756), (1672, 12493378), (3344, 6246689)]