20218402828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1174669}}^1$

素因数の和:1175017

約数の個数: 24

約数和(自身を含む): 38219063120

約数和(自身を除く): 18000660292

約数列:

[1, 2, 4, 13, 26, 52, 331, 662, 1324, 4303, 8606, 17212, 1174669, 2349338, 4698676, 15270697, 30541394, 61082788, 388815439, 777630878, 1555261756, 5054600707, 10109201414, 20218402828]

約数ペア:

[(1, 20218402828), (2, 10109201414), (4, 5054600707), (13, 1555261756), (26, 777630878), (52, 388815439), (331, 61082788), (662, 30541394), (1324, 15270697), (4303, 4698676), (8606, 2349338), (17212, 1174669)]