220163980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{234217}}^1$

素因数の和:234273

約数の個数: 24

約数和(自身を含む): 472183488

約数和(自身を除く): 252019508

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 234217, 468434, 936868, 1171085, 2342170, 4684340, 11008199, 22016398, 44032796, 55040995, 110081990, 220163980]

約数ペア:

[(1, 220163980), (2, 110081990), (4, 55040995), (5, 44032796), (10, 22016398), (20, 11008199), (47, 4684340), (94, 2342170), (188, 1171085), (235, 936868), (470, 468434), (940, 234217)]