20176869968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3225203}}^1$

素因数の和:3225251

約数の個数: 40

約数和(自身を含む): 43191931968

約数和(自身を除く): 23015062000

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 184, 272, 368, 391, 782, 1564, 3128, 6256, 3225203, 6450406, 12900812, 25801624, 51603248, 54828451, 74179669, 109656902, 148359338, 219313804, 296718676, 438627608, 593437352, 877255216, 1186874704, 1261054373, 2522108746, 5044217492, 10088434984, 20176869968]

約数ペア:

[(1, 20176869968), (2, 10088434984), (4, 5044217492), (8, 2522108746), (16, 1261054373), (17, 1186874704), (23, 877255216), (34, 593437352), (46, 438627608), (68, 296718676), (92, 219313804), (136, 148359338), (184, 109656902), (272, 74179669), (368, 54828451), (391, 51603248), (782, 25801624), (1564, 12900812), (3128, 6450406), (6256, 3225203)]