20067400

素因数分解:

$2^3\times 5^2\times {\mathrm{269}}^1\times {\mathrm{373}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 46955700

約数和(自身を除く): 26888300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 269, 373, 538, 746, 1076, 1345, 1492, 1865, 2152, 2690, 2984, 3730, 5380, 6725, 7460, 9325, 10760, 13450, 14920, 18650, 26900, 37300, 53800, 74600, 100337, 200674, 401348, 501685, 802696, 1003370, 2006740, 2508425, 4013480, 5016850, 10033700, 20067400]

約数ペア:

[(1, 20067400), (2, 10033700), (4, 5016850), (5, 4013480), (8, 2508425), (10, 2006740), (20, 1003370), (25, 802696), (40, 501685), (50, 401348), (100, 200674), (200, 100337), (269, 74600), (373, 53800), (538, 37300), (746, 26900), (1076, 18650), (1345, 14920), (1492, 13450), (1865, 10760), (2152, 9325), (2690, 7460), (2984, 6725), (3730, 5380)]