20365438

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{2459}}^1$

素因数の和:2603

約数の個数: 16

約数和(自身を含む): 31615920

約数和(自身を除く): 11250482

約数列:

[1, 2, 41, 82, 101, 202, 2459, 4141, 4918, 8282, 100819, 201638, 248359, 496718, 10182719, 20365438]

約数ペア:

[(1, 20365438), (2, 10182719), (41, 496718), (82, 248359), (101, 201638), (202, 100819), (2459, 8282), (4141, 4918)]