20239425

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{3911}}^1$

素因数の和:3950

約数の個数: 36

約数和(自身を含む): 37836864

約数和(自身を除く): 17597439

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 207, 225, 345, 575, 1035, 1725, 3911, 5175, 11733, 19555, 35199, 58665, 89953, 97775, 175995, 269859, 293325, 449765, 809577, 879975, 1349295, 2248825, 4047885, 6746475, 20239425]

約数ペア:

[(1, 20239425), (3, 6746475), (5, 4047885), (9, 2248825), (15, 1349295), (23, 879975), (25, 809577), (45, 449765), (69, 293325), (75, 269859), (115, 175995), (207, 97775), (225, 89953), (345, 58665), (575, 35199), (1035, 19555), (1725, 11733), (3911, 5175)]