20754840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9103}}^1$

素因数の和:9136

約数の個数: 64

約数和(自身を含む): 65548800

約数和(自身を除く): 44793960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 9103, 18206, 27309, 36412, 45515, 54618, 72824, 91030, 109236, 136545, 172957, 182060, 218472, 273090, 345914, 364120, 518871, 546180, 691828, 864785, 1037742, 1092360, 1383656, 1729570, 2075484, 2594355, 3459140, 4150968, 5188710, 6918280, 10377420, 20754840]

約数ペア:

[(1, 20754840), (2, 10377420), (3, 6918280), (4, 5188710), (5, 4150968), (6, 3459140), (8, 2594355), (10, 2075484), (12, 1729570), (15, 1383656), (19, 1092360), (20, 1037742), (24, 864785), (30, 691828), (38, 546180), (40, 518871), (57, 364120), (60, 345914), (76, 273090), (95, 218472), (114, 182060), (120, 172957), (152, 136545), (190, 109236), (228, 91030), (285, 72824), (380, 54618), (456, 45515), (570, 36412), (760, 27309), (1140, 18206), (2280, 9103)]