20613425

素因数分解:

$5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1931}}^1$

素因数の和:2009

約数の個数: 24

約数和(自身を含む): 29706432

約数和(自身を除く): 9093007

約数列:

[1, 5, 7, 25, 35, 61, 175, 305, 427, 1525, 1931, 2135, 9655, 10675, 13517, 48275, 67585, 117791, 337925, 588955, 824537, 2944775, 4122685, 20613425]

約数ペア:

[(1, 20613425), (5, 4122685), (7, 2944775), (25, 824537), (35, 588955), (61, 337925), (175, 117791), (305, 67585), (427, 48275), (1525, 13517), (1931, 10675), (2135, 9655)]