20148950

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{5101}}^1$

素因数の和:5192

約数の個数: 24

約数和(自身を含む): 37958880

約数和(自身を除く): 17809930

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 790, 1975, 3950, 5101, 10202, 25505, 51010, 127525, 255050, 402979, 805958, 2014895, 4029790, 10074475, 20148950]

約数ペア:

[(1, 20148950), (2, 10074475), (5, 4029790), (10, 2014895), (25, 805958), (50, 402979), (79, 255050), (158, 127525), (395, 51010), (790, 25505), (1975, 10202), (3950, 5101)]