20163071205

素因数分解:

$3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1059263}}^1$

素因数の和:1059327

約数の個数: 40

約数和(自身を含む): 36913231872

約数和(自身を除く): 16750160667

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 405, 423, 705, 1269, 2115, 3807, 6345, 19035, 1059263, 3177789, 5296315, 9533367, 15888945, 28600101, 47666835, 49785361, 85800303, 143000505, 149356083, 248926805, 429001515, 448068249, 746780415, 1344204747, 2240341245, 4032614241, 6721023735, 20163071205]

約数ペア:

[(1, 20163071205), (3, 6721023735), (5, 4032614241), (9, 2240341245), (15, 1344204747), (27, 746780415), (45, 448068249), (47, 429001515), (81, 248926805), (135, 149356083), (141, 143000505), (235, 85800303), (405, 49785361), (423, 47666835), (705, 28600101), (1269, 15888945), (2115, 9533367), (3807, 5296315), (6345, 3177789), (19035, 1059263)]