20875648

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{5261}}^1$

素因数の和:5306

約数の個数: 32

約数和(自身を含む): 42937920

約数和(自身を除く): 22062272

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 5261, 10522, 21044, 42088, 84176, 163091, 168352, 326182, 336704, 652364, 673408, 1304728, 2609456, 5218912, 10437824, 20875648]

約数ペア:

[(1, 20875648), (2, 10437824), (4, 5218912), (8, 2609456), (16, 1304728), (31, 673408), (32, 652364), (62, 336704), (64, 326182), (124, 168352), (128, 163091), (248, 84176), (496, 42088), (992, 21044), (1984, 10522), (3968, 5261)]