20580075

素因数分解:

$3^4\times 5^2\times {\mathrm{10163}}^1$

素因数の和:10185

約数の個数: 30

約数和(自身を含む): 38125164

約数和(自身を除く): 17545089

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 10163, 30489, 50815, 91467, 152445, 254075, 274401, 457335, 762225, 823203, 1372005, 2286675, 4116015, 6860025, 20580075]

約数ペア:

[(1, 20580075), (3, 6860025), (5, 4116015), (9, 2286675), (15, 1372005), (25, 823203), (27, 762225), (45, 457335), (75, 274401), (81, 254075), (135, 152445), (225, 91467), (405, 50815), (675, 30489), (2025, 10163)]