20462760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{18947}}^1$

素因数の和:18967

約数の個数: 64

約数和(自身を含む): 68212800

約数和(自身を除く): 47750040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 18947, 37894, 56841, 75788, 94735, 113682, 151576, 170523, 189470, 227364, 284205, 341046, 378940, 454728, 511569, 568410, 682092, 757880, 852615, 1023138, 1136820, 1364184, 1705230, 2046276, 2273640, 2557845, 3410460, 4092552, 5115690, 6820920, 10231380, 20462760]

約数ペア:

[(1, 20462760), (2, 10231380), (3, 6820920), (4, 5115690), (5, 4092552), (6, 3410460), (8, 2557845), (9, 2273640), (10, 2046276), (12, 1705230), (15, 1364184), (18, 1136820), (20, 1023138), (24, 852615), (27, 757880), (30, 682092), (36, 568410), (40, 511569), (45, 454728), (54, 378940), (60, 341046), (72, 284205), (90, 227364), (108, 189470), (120, 170523), (135, 151576), (180, 113682), (216, 94735), (270, 75788), (360, 56841), (540, 37894), (1080, 18947)]