20512201980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{177043}}^1$

素因数の和:178986

約数の個数: 48

約数和(自身を含む): 57464233344

約数和(自身を除く): 36952031364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1931, 3862, 5793, 7724, 9655, 11586, 19310, 23172, 28965, 38620, 57930, 115860, 177043, 354086, 531129, 708172, 885215, 1062258, 1770430, 2124516, 2655645, 3540860, 5311290, 10622580, 341870033, 683740066, 1025610099, 1367480132, 1709350165, 2051220198, 3418700330, 4102440396, 5128050495, 6837400660, 10256100990, 20512201980]

約数ペア:

[(1, 20512201980), (2, 10256100990), (3, 6837400660), (4, 5128050495), (5, 4102440396), (6, 3418700330), (10, 2051220198), (12, 1709350165), (15, 1367480132), (20, 1025610099), (30, 683740066), (60, 341870033), (1931, 10622580), (3862, 5311290), (5793, 3540860), (7724, 2655645), (9655, 2124516), (11586, 1770430), (19310, 1062258), (23172, 885215), (28965, 708172), (38620, 531129), (57930, 354086), (115860, 177043)]