20544704

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{821}}^1$

素因数の和:873

約数の個数: 56

約数和(自身を含む): 45098208

約数和(自身を除く): 24553504

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 64, 68, 92, 136, 184, 272, 368, 391, 544, 736, 782, 821, 1088, 1472, 1564, 1642, 3128, 3284, 6256, 6568, 12512, 13136, 13957, 18883, 25024, 26272, 27914, 37766, 52544, 55828, 75532, 111656, 151064, 223312, 302128, 321011, 446624, 604256, 642022, 893248, 1208512, 1284044, 2568088, 5136176, 10272352, 20544704]

約数ペア:

[(1, 20544704), (2, 10272352), (4, 5136176), (8, 2568088), (16, 1284044), (17, 1208512), (23, 893248), (32, 642022), (34, 604256), (46, 446624), (64, 321011), (68, 302128), (92, 223312), (136, 151064), (184, 111656), (272, 75532), (368, 55828), (391, 52544), (544, 37766), (736, 27914), (782, 26272), (821, 25024), (1088, 18883), (1472, 13957), (1564, 13136), (1642, 12512), (3128, 6568), (3284, 6256)]