20504919

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 29767680

約数和(自身を除く): 9262761

約数列:

[1, 3, 31, 37, 59, 93, 101, 111, 177, 303, 1147, 1829, 2183, 3131, 3441, 3737, 5487, 5959, 6549, 9393, 11211, 17877, 67673, 115847, 184729, 203019, 220483, 347541, 554187, 661449, 6834973, 20504919]

約数ペア:

[(1, 20504919), (3, 6834973), (31, 661449), (37, 554187), (59, 347541), (93, 220483), (101, 203019), (111, 184729), (177, 115847), (303, 67673), (1147, 17877), (1829, 11211), (2183, 9393), (3131, 6549), (3441, 5959), (3737, 5487)]