20173456784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{96987773}}^1$

素因数の和:96987794

約数の個数: 20

約数和(自身を含む): 42092693916

約数和(自身を除く): 21919237132

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 96987773, 193975546, 387951092, 775902184, 1260841049, 1551804368, 2521682098, 5043364196, 10086728392, 20173456784]

約数ペア:

[(1, 20173456784), (2, 10086728392), (4, 5043364196), (8, 2521682098), (13, 1551804368), (16, 1260841049), (26, 775902184), (52, 387951092), (104, 193975546), (208, 96987773)]