20218098825

素因数分解:

$3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1302293}}^1$

素因数の和:1302335

約数の個数: 48

約数和(自身を含む): 38756269440

約数和(自身を除く): 18538170615

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 115, 135, 207, 225, 345, 575, 621, 675, 1035, 1725, 3105, 5175, 15525, 1302293, 3906879, 6511465, 11720637, 19534395, 29952739, 32557325, 35161911, 58603185, 89858217, 97671975, 149763695, 175809555, 269574651, 293015925, 449291085, 748818475, 808723953, 879047775, 1347873255, 2246455425, 4043619765, 6739366275, 20218098825]

約数ペア:

[(1, 20218098825), (3, 6739366275), (5, 4043619765), (9, 2246455425), (15, 1347873255), (23, 879047775), (25, 808723953), (27, 748818475), (45, 449291085), (69, 293015925), (75, 269574651), (115, 175809555), (135, 149763695), (207, 97671975), (225, 89858217), (345, 58603185), (575, 35161911), (621, 32557325), (675, 29952739), (1035, 19534395), (1725, 11720637), (3105, 6511465), (5175, 3906879), (15525, 1302293)]