20189385801

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{6991}}^1\times {\mathrm{24683}}^1$

素因数の和:31693

約数の個数: 24

約数和(自身を含む): 31411476096

約数和(自身を除く): 11222090295

約数列:

[1, 3, 9, 13, 39, 117, 6991, 20973, 24683, 62919, 74049, 90883, 222147, 272649, 320879, 817947, 962637, 2887911, 172558853, 517676559, 1553029677, 2243265089, 6729795267, 20189385801]

約数ペア:

[(1, 20189385801), (3, 6729795267), (9, 2243265089), (13, 1553029677), (39, 517676559), (117, 172558853), (6991, 2887911), (20973, 962637), (24683, 817947), (62919, 320879), (74049, 272649), (90883, 222147)]