20152995

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 33177600

約数和(自身を除く): 13024605

約数列:

[1, 3, 5, 15, 71, 127, 149, 213, 355, 381, 447, 635, 745, 1065, 1905, 2235, 9017, 10579, 18923, 27051, 31737, 45085, 52895, 56769, 94615, 135255, 158685, 283845, 1343533, 4030599, 6717665, 20152995]

約数ペア:

[(1, 20152995), (3, 6717665), (5, 4030599), (15, 1343533), (71, 283845), (127, 158685), (149, 135255), (213, 94615), (355, 56769), (381, 52895), (447, 45085), (635, 31737), (745, 27051), (1065, 18923), (1905, 10579), (2235, 9017)]