20123808410

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{883}}^1\times {\mathrm{73517}}^1$

素因数の和:74438

約数の個数: 32

約数和(自身を含む): 37434189312

約数和(自身を除く): 17310380902

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 883, 1766, 4415, 8830, 27373, 54746, 73517, 136865, 147034, 273730, 367585, 735170, 2279027, 4558054, 11395135, 22790270, 64915511, 129831022, 324577555, 649155110, 2012380841, 4024761682, 10061904205, 20123808410]

約数ペア:

[(1, 20123808410), (2, 10061904205), (5, 4024761682), (10, 2012380841), (31, 649155110), (62, 324577555), (155, 129831022), (310, 64915511), (883, 22790270), (1766, 11395135), (4415, 4558054), (8830, 2279027), (27373, 735170), (54746, 367585), (73517, 273730), (136865, 147034)]