20156989178

素因数分解:

$2^1\times {\mathrm{167}}^1\times {\mathrm{223}}^1\times {\mathrm{277}}^1\times {\mathrm{977}}^1$

素因数の和:1646

約数の個数: 32

約数和(自身を含む): 30694616064

約数和(自身を除く): 10537626886

約数列:

[1, 2, 167, 223, 277, 334, 446, 554, 977, 1954, 37241, 46259, 61771, 74482, 92518, 123542, 163159, 217871, 270629, 326318, 435742, 541258, 10315757, 20631514, 36384457, 45195043, 60350267, 72768914, 90390086, 120700534, 10078494589, 20156989178]

約数ペア:

[(1, 20156989178), (2, 10078494589), (167, 120700534), (223, 90390086), (277, 72768914), (334, 60350267), (446, 45195043), (554, 36384457), (977, 20631514), (1954, 10315757), (37241, 541258), (46259, 435742), (61771, 326318), (74482, 270629), (92518, 217871), (123542, 163159)]