20229616940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77806219}}^1$

素因数の和:77806241

約数の個数: 24

約数和(自身を含む): 45750057360

約数和(自身を除く): 25520440420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77806219, 155612438, 311224876, 389031095, 778062190, 1011480847, 1556124380, 2022961694, 4045923388, 5057404235, 10114808470, 20229616940]

約数ペア:

[(1, 20229616940), (2, 10114808470), (4, 5057404235), (5, 4045923388), (10, 2022961694), (13, 1556124380), (20, 1011480847), (26, 778062190), (52, 389031095), (65, 311224876), (130, 155612438), (260, 77806219)]