20171639054

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{46478431}}^1$

素因数の和:46478471

約数の個数: 16

約数和(自身を含む): 35695435776

約数和(自身を除く): 15523796722

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 46478431, 92956862, 325349017, 650698034, 1440831361, 2881662722, 10085819527, 20171639054]

約数ペア:

[(1, 20171639054), (2, 10085819527), (7, 2881662722), (14, 1440831361), (31, 650698034), (62, 325349017), (217, 92956862), (434, 46478431)]