20456760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{170473}}^1$

素因数の和:170487

約数の個数: 32

約数和(自身を含む): 61370640

約数和(自身を除く): 40913880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 170473, 340946, 511419, 681892, 852365, 1022838, 1363784, 1704730, 2045676, 2557095, 3409460, 4091352, 5114190, 6818920, 10228380, 20456760]

約数ペア:

[(1, 20456760), (2, 10228380), (3, 6818920), (4, 5114190), (5, 4091352), (6, 3409460), (8, 2557095), (10, 2045676), (12, 1704730), (15, 1363784), (20, 1022838), (24, 852365), (30, 681892), (40, 511419), (60, 340946), (120, 170473)]