20786368

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{10477}}^1$

素因数の和:10520

約数の個数: 28

約数和(自身を含む): 42582592

約数和(自身を除く): 21796224

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 10477, 20954, 41908, 83816, 167632, 324787, 335264, 649574, 670528, 1299148, 2598296, 5196592, 10393184, 20786368]

約数ペア:

[(1, 20786368), (2, 10393184), (4, 5196592), (8, 2598296), (16, 1299148), (31, 670528), (32, 649574), (62, 335264), (64, 324787), (124, 167632), (248, 83816), (496, 41908), (992, 20954), (1984, 10477)]