20138163843

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2029}}^1\times {\mathrm{20549}}^1$

素因数の和:22611

約数の個数: 32

約数和(自身を含む): 32038272000

約数和(自身を除く): 11900108157

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 2029, 6087, 14203, 20549, 42609, 46667, 61647, 140001, 143843, 326669, 431529, 472627, 980007, 1417881, 3308389, 9925167, 41693921, 125081763, 291857447, 875572341, 958960183, 2876880549, 6712721281, 20138163843]

約数ペア:

[(1, 20138163843), (3, 6712721281), (7, 2876880549), (21, 958960183), (23, 875572341), (69, 291857447), (161, 125081763), (483, 41693921), (2029, 9925167), (6087, 3308389), (14203, 1417881), (20549, 980007), (42609, 472627), (46667, 431529), (61647, 326669), (140001, 143843)]