20100224

素因数分解:

$2^7\times {\mathrm{373}}^1\times {\mathrm{421}}^1$

素因数の和:808

約数の個数: 32

約数和(自身を含む): 40246140

約数和(自身を除く): 20145916

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 373, 421, 746, 842, 1492, 1684, 2984, 3368, 5968, 6736, 11936, 13472, 23872, 26944, 47744, 53888, 157033, 314066, 628132, 1256264, 2512528, 5025056, 10050112, 20100224]

約数ペア:

[(1, 20100224), (2, 10050112), (4, 5025056), (8, 2512528), (16, 1256264), (32, 628132), (64, 314066), (128, 157033), (373, 53888), (421, 47744), (746, 26944), (842, 23872), (1492, 13472), (1684, 11936), (2984, 6736), (3368, 5968)]