20905830

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7039}}^1$

素因数の和:7066

約数の個数: 64

約数和(自身を含む): 60825600

約数和(自身を除く): 39919770

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 110, 135, 165, 198, 270, 297, 330, 495, 594, 990, 1485, 2970, 7039, 14078, 21117, 35195, 42234, 63351, 70390, 77429, 105585, 126702, 154858, 190053, 211170, 232287, 316755, 380106, 387145, 464574, 633510, 696861, 774290, 950265, 1161435, 1393722, 1900530, 2090583, 2322870, 3484305, 4181166, 6968610, 10452915, 20905830]

約数ペア:

[(1, 20905830), (2, 10452915), (3, 6968610), (5, 4181166), (6, 3484305), (9, 2322870), (10, 2090583), (11, 1900530), (15, 1393722), (18, 1161435), (22, 950265), (27, 774290), (30, 696861), (33, 633510), (45, 464574), (54, 387145), (55, 380106), (66, 316755), (90, 232287), (99, 211170), (110, 190053), (135, 154858), (165, 126702), (198, 105585), (270, 77429), (297, 70390), (330, 63351), (495, 42234), (594, 35195), (990, 21117), (1485, 14078), (2970, 7039)]