20759150

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:329

約数の個数: 48

約数和(自身を含む): 40711680

約数和(自身を除く): 19952530

約数列:

[1, 2, 5, 10, 25, 31, 50, 59, 62, 118, 155, 227, 295, 310, 454, 590, 775, 1135, 1475, 1550, 1829, 2270, 2950, 3658, 5675, 7037, 9145, 11350, 13393, 14074, 18290, 26786, 35185, 45725, 66965, 70370, 91450, 133930, 175925, 334825, 351850, 415183, 669650, 830366, 2075915, 4151830, 10379575, 20759150]

約数ペア:

[(1, 20759150), (2, 10379575), (5, 4151830), (10, 2075915), (25, 830366), (31, 669650), (50, 415183), (59, 351850), (62, 334825), (118, 175925), (155, 133930), (227, 91450), (295, 70370), (310, 66965), (454, 45725), (590, 35185), (775, 26786), (1135, 18290), (1475, 14074), (1550, 13393), (1829, 11350), (2270, 9145), (2950, 7037), (3658, 5675)]