20139928796

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{478747}}^1$

素因数の和:479573

約数の個数: 24

約数和(自身を含む): 38003016240

約数和(自身を除く): 17863087444

約数列:

[1, 2, 4, 13, 26, 52, 809, 1618, 3236, 10517, 21034, 42068, 478747, 957494, 1914988, 6223711, 12447422, 24894844, 387306323, 774612646, 1549225292, 5034982199, 10069964398, 20139928796]

約数ペア:

[(1, 20139928796), (2, 10069964398), (4, 5034982199), (13, 1549225292), (26, 774612646), (52, 387306323), (809, 24894844), (1618, 12447422), (3236, 6223711), (10517, 1914988), (21034, 957494), (42068, 478747)]