20143791

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{4231}}^1$

素因数の和:4283

約数の個数: 18

約数和(自身を含む): 30423848

約数和(自身を除く): 10280057

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4231, 4761, 12693, 38079, 97313, 291939, 875817, 2238199, 6714597, 20143791]

約数ペア:

[(1, 20143791), (3, 6714597), (9, 2238199), (23, 875817), (69, 291939), (207, 97313), (529, 38079), (1587, 12693), (4231, 4761)]