20161140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4603}}^1$

素因数の和:4688

約数の個数: 48

約数和(自身を含む): 57236928

約数和(自身を除く): 37075788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 4603, 9206, 13809, 18412, 23015, 27618, 46030, 55236, 69045, 92060, 138090, 276180, 336019, 672038, 1008057, 1344076, 1680095, 2016114, 3360190, 4032228, 5040285, 6720380, 10080570, 20161140]

約数ペア:

[(1, 20161140), (2, 10080570), (3, 6720380), (4, 5040285), (5, 4032228), (6, 3360190), (10, 2016114), (12, 1680095), (15, 1344076), (20, 1008057), (30, 672038), (60, 336019), (73, 276180), (146, 138090), (219, 92060), (292, 69045), (365, 55236), (438, 46030), (730, 27618), (876, 23015), (1095, 18412), (1460, 13809), (2190, 9206), (4380, 4603)]