20372760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56591}}^1$

素因数の和:56608

約数の個数: 48

約数和(自身を含む): 66212640

約数和(自身を除く): 45839880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56591, 113182, 169773, 226364, 282955, 339546, 452728, 509319, 565910, 679092, 848865, 1018638, 1131820, 1358184, 1697730, 2037276, 2263640, 2546595, 3395460, 4074552, 5093190, 6790920, 10186380, 20372760]

約数ペア:

[(1, 20372760), (2, 10186380), (3, 6790920), (4, 5093190), (5, 4074552), (6, 3395460), (8, 2546595), (9, 2263640), (10, 2037276), (12, 1697730), (15, 1358184), (18, 1131820), (20, 1018638), (24, 848865), (30, 679092), (36, 565910), (40, 509319), (45, 452728), (60, 339546), (72, 282955), (90, 226364), (120, 169773), (180, 113182), (360, 56591)]