20310100

素因数分解:

$2^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{2447}}^1$

素因数の和:2544

約数の個数: 36

約数和(自身を含む): 44622144

約数和(自身を除く): 24312044

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 100, 166, 332, 415, 830, 1660, 2075, 2447, 4150, 4894, 8300, 9788, 12235, 24470, 48940, 61175, 122350, 203101, 244700, 406202, 812404, 1015505, 2031010, 4062020, 5077525, 10155050, 20310100]

約数ペア:

[(1, 20310100), (2, 10155050), (4, 5077525), (5, 4062020), (10, 2031010), (20, 1015505), (25, 812404), (50, 406202), (83, 244700), (100, 203101), (166, 122350), (332, 61175), (415, 48940), (830, 24470), (1660, 12235), (2075, 9788), (2447, 8300), (4150, 4894)]