20020994747

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{353}}^1\times {\mathrm{421}}^1$

素因数の和:1071

約数の個数: 32

約数和(自身を含む): 22269567936

約数和(自身を除く): 2248573189

約数列:

[1, 13, 43, 241, 353, 421, 559, 3133, 4589, 5473, 10363, 15179, 18103, 85073, 101461, 134719, 148613, 197327, 235339, 1105949, 1318993, 1931969, 3658139, 4362823, 6390359, 35815733, 47555807, 56716699, 83074667, 465604529, 1540076519, 20020994747]

約数ペア:

[(1, 20020994747), (13, 1540076519), (43, 465604529), (241, 83074667), (353, 56716699), (421, 47555807), (559, 35815733), (3133, 6390359), (4589, 4362823), (5473, 3658139), (10363, 1931969), (15179, 1318993), (18103, 1105949), (85073, 235339), (101461, 197327), (134719, 148613)]