20423296

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{5147}}^1$

素因数の和:5192

約数の個数: 32

約数和(自身を含む): 42007680

約数和(自身を除く): 21584384

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 5147, 10294, 20588, 41176, 82352, 159557, 164704, 319114, 329408, 638228, 658816, 1276456, 2552912, 5105824, 10211648, 20423296]

約数ペア:

[(1, 20423296), (2, 10211648), (4, 5105824), (8, 2552912), (16, 1276456), (31, 658816), (32, 638228), (62, 329408), (64, 319114), (124, 164704), (128, 159557), (248, 82352), (496, 41176), (992, 20588), (1984, 10294), (3968, 5147)]