20128890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{670963}}^1$

素因数の和:670973

約数の個数: 16

約数和(自身を含む): 48309408

約数和(自身を除く): 28180518

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 670963, 1341926, 2012889, 3354815, 4025778, 6709630, 10064445, 20128890]

約数ペア:

[(1, 20128890), (2, 10064445), (3, 6709630), (5, 4025778), (6, 3354815), (10, 2012889), (15, 1341926), (30, 670963)]