20470768

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{229}}^1$

素因数の和:425

約数の個数: 40

約数和(自身を含む): 41182880

約数和(自身を除く): 20712112

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 151, 229, 296, 302, 458, 592, 604, 916, 1208, 1832, 2416, 3664, 5587, 8473, 11174, 16946, 22348, 33892, 34579, 44696, 67784, 69158, 89392, 135568, 138316, 276632, 553264, 1279423, 2558846, 5117692, 10235384, 20470768]

約数ペア:

[(1, 20470768), (2, 10235384), (4, 5117692), (8, 2558846), (16, 1279423), (37, 553264), (74, 276632), (148, 138316), (151, 135568), (229, 89392), (296, 69158), (302, 67784), (458, 44696), (592, 34579), (604, 33892), (916, 22348), (1208, 16946), (1832, 11174), (2416, 8473), (3664, 5587)]