20804948374

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{2473}}^1$

素因数の和:2777

約数の個数: 64

約数和(自身を含む): 37228752000

約数和(自身を除く): 16423803626

約数列:

[1, 2, 7, 14, 37, 74, 109, 149, 218, 259, 298, 518, 763, 1043, 1526, 2086, 2473, 4033, 4946, 5513, 8066, 11026, 16241, 17311, 28231, 32482, 34622, 38591, 56462, 77182, 91501, 113687, 183002, 227374, 269557, 368477, 539114, 600917, 640507, 736954, 1201834, 1281014, 1886899, 2579339, 3773798, 4206419, 5158678, 8412838, 9973609, 13633649, 19947218, 27267298, 40163993, 69815263, 80327986, 95435543, 139630526, 190871086, 281147951, 562295902, 1486067741, 2972135482, 10402474187, 20804948374]

約数ペア:

[(1, 20804948374), (2, 10402474187), (7, 2972135482), (14, 1486067741), (37, 562295902), (74, 281147951), (109, 190871086), (149, 139630526), (218, 95435543), (259, 80327986), (298, 69815263), (518, 40163993), (763, 27267298), (1043, 19947218), (1526, 13633649), (2086, 9973609), (2473, 8412838), (4033, 5158678), (4946, 4206419), (5513, 3773798), (8066, 2579339), (11026, 1886899), (16241, 1281014), (17311, 1201834), (28231, 736954), (32482, 640507), (34622, 600917), (38591, 539114), (56462, 368477), (77182, 269557), (91501, 227374), (113687, 183002)]