17642420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{14461}}^1$

素因数の和:14531

約数の個数: 24

約数和(自身を含む): 37659048

約数和(自身を除く): 20016628

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 14461, 28922, 57844, 72305, 144610, 289220, 882121, 1764242, 3528484, 4410605, 8821210, 17642420]

約数ペア:

[(1, 17642420), (2, 8821210), (4, 4410605), (5, 3528484), (10, 1764242), (20, 882121), (61, 289220), (122, 144610), (244, 72305), (305, 57844), (610, 28922), (1220, 14461)]