20017990083

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1109}}^1\times {\mathrm{1787}}^1$

素因数の和:2956

約数の個数: 64

約数和(自身を含む): 33787192320

約数和(自身を除く): 13769202237

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 273, 481, 777, 1109, 1443, 1787, 3327, 3367, 5361, 7763, 10101, 12509, 14417, 23231, 23289, 37527, 41033, 43251, 66119, 69693, 100919, 123099, 162617, 198357, 287231, 302757, 462833, 487851, 533429, 859547, 861693, 1388499, 1600287, 1981783, 2578641, 3734003, 5945349, 6016829, 11202009, 13872481, 18050487, 25763179, 41617443, 73325971, 77289537, 180342253, 219977913, 513281797, 541026759, 953237623, 1539845391, 2859712869, 6672663361, 20017990083]

約数ペア:

[(1, 20017990083), (3, 6672663361), (7, 2859712869), (13, 1539845391), (21, 953237623), (37, 541026759), (39, 513281797), (91, 219977913), (111, 180342253), (259, 77289537), (273, 73325971), (481, 41617443), (777, 25763179), (1109, 18050487), (1443, 13872481), (1787, 11202009), (3327, 6016829), (3367, 5945349), (5361, 3734003), (7763, 2578641), (10101, 1981783), (12509, 1600287), (14417, 1388499), (23231, 861693), (23289, 859547), (37527, 533429), (41033, 487851), (43251, 462833), (66119, 302757), (69693, 287231), (100919, 198357), (123099, 162617)]