20761608

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{123581}}^1$

素因数の和:123597

約数の個数: 32

約数和(自身を含む): 59319360

約数和(自身を除く): 38557752

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 123581, 247162, 370743, 494324, 741486, 865067, 988648, 1482972, 1730134, 2595201, 2965944, 3460268, 5190402, 6920536, 10380804, 20761608]

約数ペア:

[(1, 20761608), (2, 10380804), (3, 6920536), (4, 5190402), (6, 3460268), (7, 2965944), (8, 2595201), (12, 1730134), (14, 1482972), (21, 988648), (24, 865067), (28, 741486), (42, 494324), (56, 370743), (84, 247162), (168, 123581)]