20941744

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{12959}}^1$

素因数の和:13068

約数の個数: 20

約数和(自身を含む): 40979520

約数和(自身を除く): 20037776

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 12959, 25918, 51836, 103672, 207344, 1308859, 2617718, 5235436, 10470872, 20941744]

約数ペア:

[(1, 20941744), (2, 10470872), (4, 5235436), (8, 2617718), (16, 1308859), (101, 207344), (202, 103672), (404, 51836), (808, 25918), (1616, 12959)]