20172899132

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1\times {\mathrm{2237}}^1$

素因数の和:2750

約数の個数: 48

約数和(自身を含む): 36308774880

約数和(自身を除く): 16135875748

約数列:

[1, 2, 4, 73, 89, 146, 178, 292, 347, 356, 694, 1388, 2237, 4474, 6497, 8948, 12994, 25331, 25988, 30883, 50662, 61766, 101324, 123532, 163301, 199093, 326602, 398186, 653204, 776239, 796372, 1552478, 2254459, 3104956, 4508918, 9017836, 14533789, 29067578, 56665447, 58135156, 69085271, 113330894, 138170542, 226661788, 276341084, 5043224783, 10086449566, 20172899132]

約数ペア:

[(1, 20172899132), (2, 10086449566), (4, 5043224783), (73, 276341084), (89, 226661788), (146, 138170542), (178, 113330894), (292, 69085271), (347, 58135156), (356, 56665447), (694, 29067578), (1388, 14533789), (2237, 9017836), (4474, 4508918), (6497, 3104956), (8948, 2254459), (12994, 1552478), (25331, 796372), (25988, 776239), (30883, 653204), (50662, 398186), (61766, 326602), (101324, 199093), (123532, 163301)]