20297490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{39799}}^1$

素因数の和:39826

約数の個数: 32

約数和(自身を含む): 51580800

約数和(自身を除く): 31283310

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 39799, 79598, 119397, 198995, 238794, 397990, 596985, 676583, 1193970, 1353166, 2029749, 3382915, 4059498, 6765830, 10148745, 20297490]

約数ペア:

[(1, 20297490), (2, 10148745), (3, 6765830), (5, 4059498), (6, 3382915), (10, 2029749), (15, 1353166), (17, 1193970), (30, 676583), (34, 596985), (51, 397990), (85, 238794), (102, 198995), (170, 119397), (255, 79598), (510, 39799)]