20536690

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:426

約数の個数: 32

約数和(自身を含む): 37920960

約数和(自身を除く): 17384270

約数列:

[1, 2, 5, 10, 83, 109, 166, 218, 227, 415, 454, 545, 830, 1090, 1135, 2270, 9047, 18094, 18841, 24743, 37682, 45235, 49486, 90470, 94205, 123715, 188410, 247430, 2053669, 4107338, 10268345, 20536690]

約数ペア:

[(1, 20536690), (2, 10268345), (5, 4107338), (10, 2053669), (83, 247430), (109, 188410), (166, 123715), (218, 94205), (227, 90470), (415, 49486), (454, 45235), (545, 37682), (830, 24743), (1090, 18841), (1135, 18094), (2270, 9047)]