20743902

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{31147}}^1$

素因数の和:31192

約数の個数: 24

約数和(自身を含む): 46161336

約数和(自身を除く): 25417434

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 31147, 62294, 93441, 186882, 280323, 560646, 1152439, 2304878, 3457317, 6914634, 10371951, 20743902]

約数ペア:

[(1, 20743902), (2, 10371951), (3, 6914634), (6, 3457317), (9, 2304878), (18, 1152439), (37, 560646), (74, 280323), (111, 186882), (222, 93441), (333, 62294), (666, 31147)]