201420928

素因数分解:

$2^7\times {\mathrm{79}}^1\times {\mathrm{19919}}^1$

素因数の和:20012

約数の個数: 32

約数和(自身を含む): 406368000

約数和(自身を除く): 204947072

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 316, 632, 1264, 2528, 5056, 10112, 19919, 39838, 79676, 159352, 318704, 637408, 1274816, 1573601, 2549632, 3147202, 6294404, 12588808, 25177616, 50355232, 100710464, 201420928]

約数ペア:

[(1, 201420928), (2, 100710464), (4, 50355232), (8, 25177616), (16, 12588808), (32, 6294404), (64, 3147202), (79, 2549632), (128, 1573601), (158, 1274816), (316, 637408), (632, 318704), (1264, 159352), (2528, 79676), (5056, 39838), (10112, 19919)]