20524190

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{443}}^1$

素因数の和:604

約数の個数: 32

約数和(自身を含む): 38265696

約数和(自身を除く): 17741506

約数列:

[1, 2, 5, 10, 41, 82, 113, 205, 226, 410, 443, 565, 886, 1130, 2215, 4430, 4633, 9266, 18163, 23165, 36326, 46330, 50059, 90815, 100118, 181630, 250295, 500590, 2052419, 4104838, 10262095, 20524190]

約数ペア:

[(1, 20524190), (2, 10262095), (5, 4104838), (10, 2052419), (41, 500590), (82, 250295), (113, 181630), (205, 100118), (226, 90815), (410, 50059), (443, 46330), (565, 36326), (886, 23165), (1130, 18163), (2215, 9266), (4430, 4633)]