20070421

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{7333}}^1$

素因数の和:7380

約数の個数: 16

約数和(自身を含む): 25346304

約数和(自身を除く): 5275883

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 7333, 51331, 124661, 168659, 872627, 1180613, 2867203, 20070421]

約数ペア:

[(1, 20070421), (7, 2867203), (17, 1180613), (23, 872627), (119, 168659), (161, 124661), (391, 51331), (2737, 7333)]