20238736

素因数分解:

$2^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1319}}^1$

素因数の和:1471

約数の個数: 40

約数和(自身を含む): 45175680

約数和(自身を除く): 24936944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 137, 274, 548, 959, 1096, 1319, 1918, 2192, 2638, 3836, 5276, 7672, 9233, 10552, 15344, 18466, 21104, 36932, 73864, 147728, 180703, 361406, 722812, 1264921, 1445624, 2529842, 2891248, 5059684, 10119368, 20238736]

約数ペア:

[(1, 20238736), (2, 10119368), (4, 5059684), (7, 2891248), (8, 2529842), (14, 1445624), (16, 1264921), (28, 722812), (56, 361406), (112, 180703), (137, 147728), (274, 73864), (548, 36932), (959, 21104), (1096, 18466), (1319, 15344), (1918, 10552), (2192, 9233), (2638, 7672), (3836, 5276)]