20496718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{15791}}^1$

素因数の和:15863

約数の個数: 16

約数和(自身を含む): 34110720

約数和(自身を除く): 13614002

約数列:

[1, 2, 11, 22, 59, 118, 649, 1298, 15791, 31582, 173701, 347402, 931669, 1863338, 10248359, 20496718]

約数ペア:

[(1, 20496718), (2, 10248359), (11, 1863338), (22, 931669), (59, 347402), (118, 173701), (649, 31582), (1298, 15791)]