20187003057

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{66523}}^1$

素因数の和:66821

約数の個数: 32

約数和(自身を含む): 30041174016

約数和(自身を除く): 9854170959

約数列:

[1, 3, 13, 31, 39, 93, 251, 403, 753, 1209, 3263, 7781, 9789, 23343, 66523, 101153, 199569, 303459, 864799, 2062213, 2594397, 6186639, 16697273, 26808769, 50091819, 80426307, 217064549, 517615463, 651193647, 1552846389, 6729001019, 20187003057]

約数ペア:

[(1, 20187003057), (3, 6729001019), (13, 1552846389), (31, 651193647), (39, 517615463), (93, 217064549), (251, 80426307), (403, 50091819), (753, 26808769), (1209, 16697273), (3263, 6186639), (7781, 2594397), (9789, 2062213), (23343, 864799), (66523, 303459), (101153, 199569)]