20233215

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 37132992

約数和(自身を除く): 16899777

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 113, 115, 173, 207, 339, 345, 519, 565, 865, 1017, 1035, 1557, 1695, 2595, 2599, 3979, 5085, 7785, 7797, 11937, 12995, 19549, 19895, 23391, 35811, 38985, 58647, 59685, 97745, 116955, 175941, 179055, 293235, 449627, 879705, 1348881, 2248135, 4046643, 6744405, 20233215]

約数ペア:

[(1, 20233215), (3, 6744405), (5, 4046643), (9, 2248135), (15, 1348881), (23, 879705), (45, 449627), (69, 293235), (113, 179055), (115, 175941), (173, 116955), (207, 97745), (339, 59685), (345, 58647), (519, 38985), (565, 35811), (865, 23391), (1017, 19895), (1035, 19549), (1557, 12995), (1695, 11937), (2595, 7797), (2599, 7785), (3979, 5085)]