66204220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{106781}}^1$

素因数の和:106821

約数の個数: 24

約数和(自身を含む): 143515008

約数和(自身を除く): 77310788

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 106781, 213562, 427124, 533905, 1067810, 2135620, 3310211, 6620422, 13240844, 16551055, 33102110, 66204220]

約数ペア:

[(1, 66204220), (2, 33102110), (4, 16551055), (5, 13240844), (10, 6620422), (20, 3310211), (31, 2135620), (62, 1067810), (124, 533905), (155, 427124), (310, 213562), (620, 106781)]