20540530

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{223}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 37997568

約数和(自身を除く): 17457038

約数列:

[1, 2, 5, 10, 61, 122, 151, 223, 302, 305, 446, 610, 755, 1115, 1510, 2230, 9211, 13603, 18422, 27206, 33673, 46055, 67346, 68015, 92110, 136030, 168365, 336730, 2054053, 4108106, 10270265, 20540530]

約数ペア:

[(1, 20540530), (2, 10270265), (5, 4108106), (10, 2054053), (61, 336730), (122, 168365), (151, 136030), (223, 92110), (302, 68015), (305, 67346), (446, 46055), (610, 33673), (755, 27206), (1115, 18422), (1510, 13603), (2230, 9211)]