20515692752

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1236481}}^1$

素因数の和:1236567

約数の個数: 40

約数和(自身を含む): 42777331272

約数和(自身を除く): 22261638520

約数列:

[1, 2, 4, 8, 16, 17, 34, 61, 68, 122, 136, 244, 272, 488, 976, 1037, 2074, 4148, 8296, 16592, 1236481, 2472962, 4945924, 9891848, 19783696, 21020177, 42040354, 75425341, 84080708, 150850682, 168161416, 301701364, 336322832, 603402728, 1206805456, 1282230797, 2564461594, 5128923188, 10257846376, 20515692752]

約数ペア:

[(1, 20515692752), (2, 10257846376), (4, 5128923188), (8, 2564461594), (16, 1282230797), (17, 1206805456), (34, 603402728), (61, 336322832), (68, 301701364), (122, 168161416), (136, 150850682), (244, 84080708), (272, 75425341), (488, 42040354), (976, 21020177), (1037, 19783696), (2074, 9891848), (4148, 4945924), (8296, 2472962), (16592, 1236481)]