20381004

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{26959}}^1$

素因数の和:26979

約数の個数: 48

約数和(自身を含む): 60390400

約数和(自身を除く): 40009396

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 26959, 53918, 80877, 107836, 161754, 188713, 242631, 323508, 377426, 485262, 566139, 727893, 754852, 970524, 1132278, 1455786, 1698417, 2264556, 2911572, 3396834, 5095251, 6793668, 10190502, 20381004]

約数ペア:

[(1, 20381004), (2, 10190502), (3, 6793668), (4, 5095251), (6, 3396834), (7, 2911572), (9, 2264556), (12, 1698417), (14, 1455786), (18, 1132278), (21, 970524), (27, 754852), (28, 727893), (36, 566139), (42, 485262), (54, 377426), (63, 323508), (84, 242631), (108, 188713), (126, 161754), (189, 107836), (252, 80877), (378, 53918), (756, 26959)]