20223472

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{499}}^1$

素因数の和:673

約数の個数: 40

約数和(自身を含む): 41850000

約数和(自身を除く): 21626528

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 149, 272, 298, 499, 596, 998, 1192, 1996, 2384, 2533, 3992, 5066, 7984, 8483, 10132, 16966, 20264, 33932, 40528, 67864, 74351, 135728, 148702, 297404, 594808, 1189616, 1263967, 2527934, 5055868, 10111736, 20223472]

約数ペア:

[(1, 20223472), (2, 10111736), (4, 5055868), (8, 2527934), (16, 1263967), (17, 1189616), (34, 594808), (68, 297404), (136, 148702), (149, 135728), (272, 74351), (298, 67864), (499, 40528), (596, 33932), (998, 20264), (1192, 16966), (1996, 10132), (2384, 8483), (2533, 7984), (3992, 5066)]