220021919

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:495

約数の個数: 24

約数和(自身を含む): 252447552

約数和(自身を除く): 32425633

約数列:

[1, 13, 19, 173, 247, 271, 361, 2249, 3287, 3523, 4693, 5149, 42731, 46883, 62453, 66937, 97831, 609479, 811889, 890777, 1271803, 11580101, 16924763, 220021919]

約数ペア:

[(1, 220021919), (13, 16924763), (19, 11580101), (173, 1271803), (247, 890777), (271, 811889), (361, 609479), (2249, 97831), (3287, 66937), (3523, 62453), (4693, 46883), (5149, 42731)]