20994528

素因数分解:

$2^5\times 3^1\times {\mathrm{383}}^1\times {\mathrm{571}}^1$

素因数の和:967

約数の個数: 48

約数和(自身を含む): 55351296

約数和(自身を除く): 34356768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 383, 571, 766, 1142, 1149, 1532, 1713, 2284, 2298, 3064, 3426, 4568, 4596, 6128, 6852, 9136, 9192, 12256, 13704, 18272, 18384, 27408, 36768, 54816, 218693, 437386, 656079, 874772, 1312158, 1749544, 2624316, 3499088, 5248632, 6998176, 10497264, 20994528]

約数ペア:

[(1, 20994528), (2, 10497264), (3, 6998176), (4, 5248632), (6, 3499088), (8, 2624316), (12, 1749544), (16, 1312158), (24, 874772), (32, 656079), (48, 437386), (96, 218693), (383, 54816), (571, 36768), (766, 27408), (1142, 18384), (1149, 18272), (1532, 13704), (1713, 12256), (2284, 9192), (2298, 9136), (3064, 6852), (3426, 6128), (4568, 4596)]