20731725

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13163}}^1$

素因数の和:13186

約数の個数: 36

約数和(自身を含む): 42440736

約数和(自身を除く): 21709011

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 1575, 13163, 39489, 65815, 92141, 118467, 197445, 276423, 329075, 460705, 592335, 829269, 987225, 1382115, 2303525, 2961675, 4146345, 6910575, 20731725]

約数ペア:

[(1, 20731725), (3, 6910575), (5, 4146345), (7, 2961675), (9, 2303525), (15, 1382115), (21, 987225), (25, 829269), (35, 592335), (45, 460705), (63, 329075), (75, 276423), (105, 197445), (175, 118467), (225, 92141), (315, 65815), (525, 39489), (1575, 13163)]