20978112

素因数分解:

$2^6\times 3^1\times {\mathrm{37}}^1\times {\mathrm{2953}}^1$

素因数の和:3005

約数の個数: 56

約数和(自身を含む): 57024016

約数和(自身を除く): 36045904

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 111, 148, 192, 222, 296, 444, 592, 888, 1184, 1776, 2368, 2953, 3552, 5906, 7104, 8859, 11812, 17718, 23624, 35436, 47248, 70872, 94496, 109261, 141744, 188992, 218522, 283488, 327783, 437044, 566976, 655566, 874088, 1311132, 1748176, 2622264, 3496352, 5244528, 6992704, 10489056, 20978112]

約数ペア:

[(1, 20978112), (2, 10489056), (3, 6992704), (4, 5244528), (6, 3496352), (8, 2622264), (12, 1748176), (16, 1311132), (24, 874088), (32, 655566), (37, 566976), (48, 437044), (64, 327783), (74, 283488), (96, 218522), (111, 188992), (148, 141744), (192, 109261), (222, 94496), (296, 70872), (444, 47248), (592, 35436), (888, 23624), (1184, 17718), (1776, 11812), (2368, 8859), (2953, 7104), (3552, 5906)]