20228940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12487}}^1$

素因数の和:12508

約数の個数: 60

約数和(自身を含む): 63464016

約数和(自身を除く): 43235076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 12487, 24974, 37461, 49948, 62435, 74922, 112383, 124870, 149844, 187305, 224766, 249740, 337149, 374610, 449532, 561915, 674298, 749220, 1011447, 1123830, 1348596, 1685745, 2022894, 2247660, 3371490, 4045788, 5057235, 6742980, 10114470, 20228940]

約数ペア:

[(1, 20228940), (2, 10114470), (3, 6742980), (4, 5057235), (5, 4045788), (6, 3371490), (9, 2247660), (10, 2022894), (12, 1685745), (15, 1348596), (18, 1123830), (20, 1011447), (27, 749220), (30, 674298), (36, 561915), (45, 449532), (54, 374610), (60, 337149), (81, 249740), (90, 224766), (108, 187305), (135, 149844), (162, 124870), (180, 112383), (270, 74922), (324, 62435), (405, 49948), (540, 37461), (810, 24974), (1620, 12487)]