20425770

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:337

約数の個数: 80

約数和(自身を含む): 55617408

約数和(自身を除く): 35191638

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 151, 162, 167, 270, 302, 334, 405, 453, 501, 755, 810, 835, 906, 1002, 1359, 1503, 1510, 1670, 2265, 2505, 2718, 3006, 4077, 4509, 4530, 5010, 6795, 7515, 8154, 9018, 12231, 13527, 13590, 15030, 20385, 22545, 24462, 25217, 27054, 40770, 45090, 50434, 61155, 67635, 75651, 122310, 126085, 135270, 151302, 226953, 252170, 378255, 453906, 680859, 756510, 1134765, 1361718, 2042577, 2269530, 3404295, 4085154, 6808590, 10212885, 20425770]

約数ペア:

[(1, 20425770), (2, 10212885), (3, 6808590), (5, 4085154), (6, 3404295), (9, 2269530), (10, 2042577), (15, 1361718), (18, 1134765), (27, 756510), (30, 680859), (45, 453906), (54, 378255), (81, 252170), (90, 226953), (135, 151302), (151, 135270), (162, 126085), (167, 122310), (270, 75651), (302, 67635), (334, 61155), (405, 50434), (453, 45090), (501, 40770), (755, 27054), (810, 25217), (835, 24462), (906, 22545), (1002, 20385), (1359, 15030), (1503, 13590), (1510, 13527), (1670, 12231), (2265, 9018), (2505, 8154), (2718, 7515), (3006, 6795), (4077, 5010), (4509, 4530)]