20291388

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{130073}}^1$

素因数の和:130093

約数の個数: 24

約数和(自身を含む): 50989008

約数和(自身を除く): 30697620

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 130073, 260146, 390219, 520292, 780438, 1560876, 1690949, 3381898, 5072847, 6763796, 10145694, 20291388]

約数ペア:

[(1, 20291388), (2, 10145694), (3, 6763796), (4, 5072847), (6, 3381898), (12, 1690949), (13, 1560876), (26, 780438), (39, 520292), (52, 390219), (78, 260146), (156, 130073)]