20166988

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1579}}^1$

素因数の和:1717

約数の個数: 24

約数和(自身を含む): 36807680

約数和(自身を除く): 16640692

約数列:

[1, 2, 4, 31, 62, 103, 124, 206, 412, 1579, 3158, 3193, 6316, 6386, 12772, 48949, 97898, 162637, 195796, 325274, 650548, 5041747, 10083494, 20166988]

約数ペア:

[(1, 20166988), (2, 10083494), (4, 5041747), (31, 650548), (62, 325274), (103, 195796), (124, 162637), (206, 97898), (412, 48949), (1579, 12772), (3158, 6386), (3193, 6316)]