20964928

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{10567}}^1$

素因数の和:10610

約数の個数: 28

約数和(自身を含む): 42948352

約数和(自身を除く): 21983424

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 10567, 21134, 42268, 84536, 169072, 327577, 338144, 655154, 676288, 1310308, 2620616, 5241232, 10482464, 20964928]

約数ペア:

[(1, 20964928), (2, 10482464), (4, 5241232), (8, 2620616), (16, 1310308), (31, 676288), (32, 655154), (62, 338144), (64, 327577), (124, 169072), (248, 84536), (496, 42268), (992, 21134), (1984, 10567)]