20966984

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6703}}^1$

素因数の和:6749

約数の個数: 32

約数和(自身を含む): 43441920

約数和(自身を除く): 22474936

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 391, 782, 1564, 3128, 6703, 13406, 26812, 53624, 113951, 154169, 227902, 308338, 455804, 616676, 911608, 1233352, 2620873, 5241746, 10483492, 20966984]

約数ペア:

[(1, 20966984), (2, 10483492), (4, 5241746), (8, 2620873), (17, 1233352), (23, 911608), (34, 616676), (46, 455804), (68, 308338), (92, 227902), (136, 154169), (184, 113951), (391, 53624), (782, 26812), (1564, 13406), (3128, 6703)]