206821516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{20707}}^1$

素因数の和:20949

約数の個数: 24

約数和(自身を含む): 396599616

約数和(自身を除く): 189778100

約数列:

[1, 2, 4, 11, 22, 44, 227, 454, 908, 2497, 4994, 9988, 20707, 41414, 82828, 227777, 455554, 911108, 4700489, 9400978, 18801956, 51705379, 103410758, 206821516]

約数ペア:

[(1, 206821516), (2, 103410758), (4, 51705379), (11, 18801956), (22, 9400978), (44, 4700489), (227, 911108), (454, 455554), (908, 227777), (2497, 82828), (4994, 41414), (9988, 20707)]