20789856

素因数分解:

$2^5\times 3^2\times {\mathrm{37}}^1\times {\mathrm{1951}}^1$

素因数の和:2004

約数の個数: 72

約数和(自身を含む): 60750144

約数和(自身を除く): 39960288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 72, 74, 96, 111, 144, 148, 222, 288, 296, 333, 444, 592, 666, 888, 1184, 1332, 1776, 1951, 2664, 3552, 3902, 5328, 5853, 7804, 10656, 11706, 15608, 17559, 23412, 31216, 35118, 46824, 62432, 70236, 72187, 93648, 140472, 144374, 187296, 216561, 280944, 288748, 433122, 561888, 577496, 649683, 866244, 1154992, 1299366, 1732488, 2309984, 2598732, 3464976, 5197464, 6929952, 10394928, 20789856]

約数ペア:

[(1, 20789856), (2, 10394928), (3, 6929952), (4, 5197464), (6, 3464976), (8, 2598732), (9, 2309984), (12, 1732488), (16, 1299366), (18, 1154992), (24, 866244), (32, 649683), (36, 577496), (37, 561888), (48, 433122), (72, 288748), (74, 280944), (96, 216561), (111, 187296), (144, 144374), (148, 140472), (222, 93648), (288, 72187), (296, 70236), (333, 62432), (444, 46824), (592, 35118), (666, 31216), (888, 23412), (1184, 17559), (1332, 15608), (1776, 11706), (1951, 10656), (2664, 7804), (3552, 5853), (3902, 5328)]