20268544

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{1277}}^1$

素因数の和:1326

約数の個数: 40

約数和(自身を含む): 41836608

約数和(自身を除く): 21568064

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1277, 1984, 2554, 3968, 5108, 7936, 10216, 15872, 20432, 39587, 40864, 79174, 81728, 158348, 163456, 316696, 326912, 633392, 653824, 1266784, 2533568, 5067136, 10134272, 20268544]

約数ペア:

[(1, 20268544), (2, 10134272), (4, 5067136), (8, 2533568), (16, 1266784), (31, 653824), (32, 633392), (62, 326912), (64, 316696), (124, 163456), (128, 158348), (248, 81728), (256, 79174), (496, 40864), (512, 39587), (992, 20432), (1277, 15872), (1984, 10216), (2554, 7936), (3968, 5108)]