20104261640

素因数分解:

$2^3\times 5^1\times {\mathrm{5273}}^1\times {\mathrm{95317}}^1$

素因数の和:100601

約数の個数: 32

約数和(自身を含む): 45243641880

約数和(自身を除く): 25139380240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5273, 10546, 21092, 26365, 42184, 52730, 95317, 105460, 190634, 210920, 381268, 476585, 762536, 953170, 1906340, 3812680, 502606541, 1005213082, 2010426164, 2513032705, 4020852328, 5026065410, 10052130820, 20104261640]

約数ペア:

[(1, 20104261640), (2, 10052130820), (4, 5026065410), (5, 4020852328), (8, 2513032705), (10, 2010426164), (20, 1005213082), (40, 502606541), (5273, 3812680), (10546, 1906340), (21092, 953170), (26365, 762536), (42184, 476585), (52730, 381268), (95317, 210920), (105460, 190634)]