20464791908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1867}}^1\times {\mathrm{6733}}^1$

素因数の和:8652

約数の個数: 48

約数和(自身を含む): 40152525504

約数和(自身を除く): 19687733596

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 1867, 3734, 6733, 7468, 13466, 20537, 26932, 41074, 69079, 74063, 82148, 138158, 148126, 249121, 276316, 296252, 498242, 759869, 996484, 1519738, 2740331, 3039476, 5480662, 10961324, 12570511, 25141022, 50282044, 138275621, 276551242, 465108907, 553102484, 930217814, 1860435628, 5116197977, 10232395954, 20464791908]

約数ペア:

[(1, 20464791908), (2, 10232395954), (4, 5116197977), (11, 1860435628), (22, 930217814), (37, 553102484), (44, 465108907), (74, 276551242), (148, 138275621), (407, 50282044), (814, 25141022), (1628, 12570511), (1867, 10961324), (3734, 5480662), (6733, 3039476), (7468, 2740331), (13466, 1519738), (20537, 996484), (26932, 759869), (41074, 498242), (69079, 296252), (74063, 276316), (82148, 249121), (138158, 148126)]