20297115

素因数分解:

$3^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{599}}^1$

素因数の和:864

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 15990885

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 251, 599, 753, 1255, 1797, 2259, 2995, 3765, 5391, 6777, 8985, 11295, 16173, 26955, 33885, 80865, 150349, 451047, 751745, 1353141, 2255235, 4059423, 6765705, 20297115]

約数ペア:

[(1, 20297115), (3, 6765705), (5, 4059423), (9, 2255235), (15, 1353141), (27, 751745), (45, 451047), (135, 150349), (251, 80865), (599, 33885), (753, 26955), (1255, 16173), (1797, 11295), (2259, 8985), (2995, 6777), (3765, 5391)]