20631792

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{11617}}^1$

素因数の和:11665

約数の個数: 40

約数和(自身を含む): 54744016

約数和(自身を除く): 34112224

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 888, 1776, 11617, 23234, 34851, 46468, 69702, 92936, 139404, 185872, 278808, 429829, 557616, 859658, 1289487, 1719316, 2578974, 3438632, 5157948, 6877264, 10315896, 20631792]

約数ペア:

[(1, 20631792), (2, 10315896), (3, 6877264), (4, 5157948), (6, 3438632), (8, 2578974), (12, 1719316), (16, 1289487), (24, 859658), (37, 557616), (48, 429829), (74, 278808), (111, 185872), (148, 139404), (222, 92936), (296, 69702), (444, 46468), (592, 34851), (888, 23234), (1776, 11617)]