20678160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2971}}^1$

素因数の和:3016

約数の個数: 80

約数和(自身を含む): 66335040

約数和(自身を除く): 45656880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 232, 240, 290, 348, 435, 464, 580, 696, 870, 1160, 1392, 1740, 2320, 2971, 3480, 5942, 6960, 8913, 11884, 14855, 17826, 23768, 29710, 35652, 44565, 47536, 59420, 71304, 86159, 89130, 118840, 142608, 172318, 178260, 237680, 258477, 344636, 356520, 430795, 516954, 689272, 713040, 861590, 1033908, 1292385, 1378544, 1723180, 2067816, 2584770, 3446360, 4135632, 5169540, 6892720, 10339080, 20678160]

約数ペア:

[(1, 20678160), (2, 10339080), (3, 6892720), (4, 5169540), (5, 4135632), (6, 3446360), (8, 2584770), (10, 2067816), (12, 1723180), (15, 1378544), (16, 1292385), (20, 1033908), (24, 861590), (29, 713040), (30, 689272), (40, 516954), (48, 430795), (58, 356520), (60, 344636), (80, 258477), (87, 237680), (116, 178260), (120, 172318), (145, 142608), (174, 118840), (232, 89130), (240, 86159), (290, 71304), (348, 59420), (435, 47536), (464, 44565), (580, 35652), (696, 29710), (870, 23768), (1160, 17826), (1392, 14855), (1740, 11884), (2320, 8913), (2971, 6960), (3480, 5942)]