20456218

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{7673}}^1$

素因数の和:7749

約数の個数: 16

約数和(自身を含む): 32414976

約数和(自身を除く): 11958758

約数列:

[1, 2, 31, 43, 62, 86, 1333, 2666, 7673, 15346, 237863, 329939, 475726, 659878, 10228109, 20456218]

約数ペア:

[(1, 20456218), (2, 10228109), (31, 659878), (43, 475726), (62, 329939), (86, 237863), (1333, 15346), (2666, 7673)]