20261913

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{233}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 32078592

約数和(自身を除く): 11816679

約数列:

[1, 3, 7, 21, 41, 101, 123, 233, 287, 303, 699, 707, 861, 1631, 2121, 4141, 4893, 9553, 12423, 23533, 28659, 28987, 66871, 70599, 86961, 164731, 200613, 494193, 964853, 2894559, 6753971, 20261913]

約数ペア:

[(1, 20261913), (3, 6753971), (7, 2894559), (21, 964853), (41, 494193), (101, 200613), (123, 164731), (233, 86961), (287, 70599), (303, 66871), (699, 28987), (707, 28659), (861, 23533), (1631, 12423), (2121, 9553), (4141, 4893)]