20918610

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5669}}^1$

素因数の和:5723

約数の個数: 48

約数和(自身を含む): 55724760

約数和(自身を除く): 34806150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 82, 90, 123, 205, 246, 369, 410, 615, 738, 1230, 1845, 3690, 5669, 11338, 17007, 28345, 34014, 51021, 56690, 85035, 102042, 170070, 232429, 255105, 464858, 510210, 697287, 1162145, 1394574, 2091861, 2324290, 3486435, 4183722, 6972870, 10459305, 20918610]

約数ペア:

[(1, 20918610), (2, 10459305), (3, 6972870), (5, 4183722), (6, 3486435), (9, 2324290), (10, 2091861), (15, 1394574), (18, 1162145), (30, 697287), (41, 510210), (45, 464858), (82, 255105), (90, 232429), (123, 170070), (205, 102042), (246, 85035), (369, 56690), (410, 51021), (615, 34014), (738, 28345), (1230, 17007), (1845, 11338), (3690, 5669)]