20266795

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 26956800

約数和(自身を除く): 6690005

約数列:

[1, 5, 23, 29, 59, 103, 115, 145, 295, 515, 667, 1357, 1711, 2369, 2987, 3335, 6077, 6785, 8555, 11845, 14935, 30385, 39353, 68701, 139771, 176233, 196765, 343505, 698855, 881165, 4053359, 20266795]

約数ペア:

[(1, 20266795), (5, 4053359), (23, 881165), (29, 698855), (59, 343505), (103, 196765), (115, 176233), (145, 139771), (295, 68701), (515, 39353), (667, 30385), (1357, 14935), (1711, 11845), (2369, 8555), (2987, 6785), (3335, 6077)]