20121986744

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{2399}}^1\times {\mathrm{14767}}^1$

素因数の和:17243

約数の個数: 32

約数和(自身を含む): 38278656000

約数和(自身を除く): 18156669256

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 2399, 4798, 9596, 14767, 19192, 29534, 59068, 118136, 170329, 340658, 681316, 1048457, 1362632, 2096914, 4193828, 8387656, 35426033, 70852066, 141704132, 283408264, 2515248343, 5030496686, 10060993372, 20121986744]

約数ペア:

[(1, 20121986744), (2, 10060993372), (4, 5030496686), (8, 2515248343), (71, 283408264), (142, 141704132), (284, 70852066), (568, 35426033), (2399, 8387656), (4798, 4193828), (9596, 2096914), (14767, 1362632), (19192, 1048457), (29534, 681316), (59068, 340658), (118136, 170329)]