20120040124

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{238423}}^1$

素因数の和:238534

約数の個数: 36

約数和(自身を含む): 37915615024

約数和(自身を除く): 17795574900

約数列:

[1, 2, 4, 17, 34, 68, 73, 146, 289, 292, 578, 1156, 1241, 2482, 4964, 21097, 42194, 84388, 238423, 476846, 953692, 4053191, 8106382, 16212764, 17404879, 34809758, 68904247, 69619516, 137808494, 275616988, 295882943, 591765886, 1183531772, 5030010031, 10060020062, 20120040124]

約数ペア:

[(1, 20120040124), (2, 10060020062), (4, 5030010031), (17, 1183531772), (34, 591765886), (68, 295882943), (73, 275616988), (146, 137808494), (289, 69619516), (292, 68904247), (578, 34809758), (1156, 17404879), (1241, 16212764), (2482, 8106382), (4964, 4053191), (21097, 953692), (42194, 476846), (84388, 238423)]