20660417460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4990439}}^1$

素因数の和:4990477

約数の個数: 72

約数和(自身を含む): 65394725760

約数和(自身を除く): 44734308300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 4990439, 9980878, 14971317, 19961756, 24952195, 29942634, 44913951, 49904390, 59885268, 74856585, 89827902, 99808780, 114780097, 149713170, 179655804, 224569755, 229560194, 299426340, 344340291, 449139510, 459120388, 573900485, 688680582, 898279020, 1033020873, 1147800970, 1377361164, 1721701455, 2066041746, 2295601940, 3443402910, 4132083492, 5165104365, 6886805820, 10330208730, 20660417460]

約数ペア:

[(1, 20660417460), (2, 10330208730), (3, 6886805820), (4, 5165104365), (5, 4132083492), (6, 3443402910), (9, 2295601940), (10, 2066041746), (12, 1721701455), (15, 1377361164), (18, 1147800970), (20, 1033020873), (23, 898279020), (30, 688680582), (36, 573900485), (45, 459120388), (46, 449139510), (60, 344340291), (69, 299426340), (90, 229560194), (92, 224569755), (115, 179655804), (138, 149713170), (180, 114780097), (207, 99808780), (230, 89827902), (276, 74856585), (345, 59885268), (414, 49904390), (460, 44913951), (690, 29942634), (828, 24952195), (1035, 19961756), (1380, 14971317), (2070, 9980878), (4140, 4990439)]