20928088

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4159}}^1$

素因数の和:4219

約数の個数: 32

約数和(自身を含む): 42681600

約数和(自身を除く): 21753512

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 136, 148, 296, 629, 1258, 2516, 4159, 5032, 8318, 16636, 33272, 70703, 141406, 153883, 282812, 307766, 565624, 615532, 1231064, 2616011, 5232022, 10464044, 20928088]

約数ペア:

[(1, 20928088), (2, 10464044), (4, 5232022), (8, 2616011), (17, 1231064), (34, 615532), (37, 565624), (68, 307766), (74, 282812), (136, 153883), (148, 141406), (296, 70703), (629, 33272), (1258, 16636), (2516, 8318), (4159, 5032)]