20260247960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{919249}}^1$

素因数の和:919308

約数の個数: 64

約数和(自身を含む): 49639500000

約数和(自身を除く): 29379252040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 380, 551, 580, 760, 1102, 1160, 2204, 2755, 4408, 5510, 11020, 22040, 919249, 1838498, 3676996, 4596245, 7353992, 9192490, 17465731, 18384980, 26658221, 34931462, 36769960, 53316442, 69862924, 87328655, 106632884, 133291105, 139725848, 174657310, 213265768, 266582210, 349314620, 506506199, 533164420, 698629240, 1013012398, 1066328840, 2026024796, 2532530995, 4052049592, 5065061990, 10130123980, 20260247960]

約数ペア:

[(1, 20260247960), (2, 10130123980), (4, 5065061990), (5, 4052049592), (8, 2532530995), (10, 2026024796), (19, 1066328840), (20, 1013012398), (29, 698629240), (38, 533164420), (40, 506506199), (58, 349314620), (76, 266582210), (95, 213265768), (116, 174657310), (145, 139725848), (152, 133291105), (190, 106632884), (232, 87328655), (290, 69862924), (380, 53316442), (551, 36769960), (580, 34931462), (760, 26658221), (1102, 18384980), (1160, 17465731), (2204, 9192490), (2755, 7353992), (4408, 4596245), (5510, 3676996), (11020, 1838498), (22040, 919249)]