20893952

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{4801}}^1$

素因数の和:4834

約数の個数: 36

約数和(自身を含む): 44168796

約数和(自身を除く): 23274844

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 544, 1088, 2176, 4352, 4801, 9602, 19204, 38408, 76816, 81617, 153632, 163234, 307264, 326468, 614528, 652936, 1229056, 1305872, 2611744, 5223488, 10446976, 20893952]

約数ペア:

[(1, 20893952), (2, 10446976), (4, 5223488), (8, 2611744), (16, 1305872), (17, 1229056), (32, 652936), (34, 614528), (64, 326468), (68, 307264), (128, 163234), (136, 153632), (256, 81617), (272, 76816), (544, 38408), (1088, 19204), (2176, 9602), (4352, 4801)]