20801802

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{947}}^1$

素因数の和:1482

約数の個数: 32

約数和(自身を含む): 47688192

約数和(自身を除く): 26886390

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 523, 947, 1046, 1569, 1894, 2841, 3138, 3661, 5682, 6629, 7322, 10983, 13258, 19887, 21966, 39774, 495281, 990562, 1485843, 2971686, 3466967, 6933934, 10400901, 20801802]

約数ペア:

[(1, 20801802), (2, 10400901), (3, 6933934), (6, 3466967), (7, 2971686), (14, 1485843), (21, 990562), (42, 495281), (523, 39774), (947, 21966), (1046, 19887), (1569, 13258), (1894, 10983), (2841, 7322), (3138, 6629), (3661, 5682)]