20319480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56443}}^1$

素因数の和:56460

約数の個数: 48

約数和(自身を含む): 66039480

約数和(自身を除く): 45720000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56443, 112886, 169329, 225772, 282215, 338658, 451544, 507987, 564430, 677316, 846645, 1015974, 1128860, 1354632, 1693290, 2031948, 2257720, 2539935, 3386580, 4063896, 5079870, 6773160, 10159740, 20319480]

約数ペア:

[(1, 20319480), (2, 10159740), (3, 6773160), (4, 5079870), (5, 4063896), (6, 3386580), (8, 2539935), (9, 2257720), (10, 2031948), (12, 1693290), (15, 1354632), (18, 1128860), (20, 1015974), (24, 846645), (30, 677316), (36, 564430), (40, 507987), (45, 451544), (60, 338658), (72, 282215), (90, 225772), (120, 169329), (180, 112886), (360, 56443)]