2005017968

素因数分解:

$2^4\times {\mathrm{709}}^1\times {\mathrm{176747}}^1$

素因数の和:177464

約数の個数: 20

約数和(自身を含む): 3890223480

約数和(自身を除く): 1885205512

約数列:

[1, 2, 4, 8, 16, 709, 1418, 2836, 5672, 11344, 176747, 353494, 706988, 1413976, 2827952, 125313623, 250627246, 501254492, 1002508984, 2005017968]

約数ペア:

[(1, 2005017968), (2, 1002508984), (4, 501254492), (8, 250627246), (16, 125313623), (709, 2827952), (1418, 1413976), (2836, 706988), (5672, 353494), (11344, 176747)]