20405192520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{8969}}^1\times {\mathrm{18959}}^1$

素因数の和:27942

約数の個数: 64

約数和(自身を含む): 61225632000

約数和(自身を除く): 40820439480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 8969, 17938, 18959, 26907, 35876, 37918, 44845, 53814, 56877, 71752, 75836, 89690, 94795, 107628, 113754, 134535, 151672, 179380, 189590, 215256, 227508, 269070, 284385, 358760, 379180, 455016, 538140, 568770, 758360, 1076280, 1137540, 2275080, 170043271, 340086542, 510129813, 680173084, 850216355, 1020259626, 1360346168, 1700432710, 2040519252, 2550649065, 3400865420, 4081038504, 5101298130, 6801730840, 10202596260, 20405192520]

約数ペア:

[(1, 20405192520), (2, 10202596260), (3, 6801730840), (4, 5101298130), (5, 4081038504), (6, 3400865420), (8, 2550649065), (10, 2040519252), (12, 1700432710), (15, 1360346168), (20, 1020259626), (24, 850216355), (30, 680173084), (40, 510129813), (60, 340086542), (120, 170043271), (8969, 2275080), (17938, 1137540), (18959, 1076280), (26907, 758360), (35876, 568770), (37918, 538140), (44845, 455016), (53814, 379180), (56877, 358760), (71752, 284385), (75836, 269070), (89690, 227508), (94795, 215256), (107628, 189590), (113754, 179380), (134535, 151672)]