20047811

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{587}}^1$

素因数の和:659

約数の個数: 24

約数和(自身を含む): 25338096

約数和(自身を除く): 5290285

約数列:

[1, 7, 17, 41, 49, 119, 287, 587, 697, 833, 2009, 4109, 4879, 9979, 24067, 28763, 34153, 69853, 168469, 409139, 488971, 1179283, 2863973, 20047811]

約数ペア:

[(1, 20047811), (7, 2863973), (17, 1179283), (41, 488971), (49, 409139), (119, 168469), (287, 69853), (587, 34153), (697, 28763), (833, 24067), (2009, 9979), (4109, 4879)]