20457036

素因数分解:

$2^2\times 3^4\times {\mathrm{103}}^1\times {\mathrm{613}}^1$

素因数の和:732

約数の個数: 60

約数和(自身を含む): 54086032

約数和(自身を除く): 33628996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 103, 108, 162, 206, 309, 324, 412, 613, 618, 927, 1226, 1236, 1839, 1854, 2452, 2781, 3678, 3708, 5517, 5562, 7356, 8343, 11034, 11124, 16551, 16686, 22068, 33102, 33372, 49653, 63139, 66204, 99306, 126278, 189417, 198612, 252556, 378834, 568251, 757668, 1136502, 1704753, 2273004, 3409506, 5114259, 6819012, 10228518, 20457036]

約数ペア:

[(1, 20457036), (2, 10228518), (3, 6819012), (4, 5114259), (6, 3409506), (9, 2273004), (12, 1704753), (18, 1136502), (27, 757668), (36, 568251), (54, 378834), (81, 252556), (103, 198612), (108, 189417), (162, 126278), (206, 99306), (309, 66204), (324, 63139), (412, 49653), (613, 33372), (618, 33102), (927, 22068), (1226, 16686), (1236, 16551), (1839, 11124), (1854, 11034), (2452, 8343), (2781, 7356), (3678, 5562), (3708, 5517)]