20458110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15859}}^1$

素因数の和:15912

約数の個数: 32

約数和(自身を含む): 50244480

約数和(自身を除く): 29786370

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 15859, 31718, 47577, 79295, 95154, 158590, 237885, 475770, 681937, 1363874, 2045811, 3409685, 4091622, 6819370, 10229055, 20458110]

約数ペア:

[(1, 20458110), (2, 10229055), (3, 6819370), (5, 4091622), (6, 3409685), (10, 2045811), (15, 1363874), (30, 681937), (43, 475770), (86, 237885), (129, 158590), (215, 95154), (258, 79295), (430, 47577), (645, 31718), (1290, 15859)]