20039685

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{883}}^1$

素因数の和:997

約数の個数: 32

約数和(自身を含む): 34369920

約数和(自身を除く): 14330235

約数列:

[1, 3, 5, 15, 17, 51, 85, 89, 255, 267, 445, 883, 1335, 1513, 2649, 4415, 4539, 7565, 13245, 15011, 22695, 45033, 75055, 78587, 225165, 235761, 392935, 1178805, 1335979, 4007937, 6679895, 20039685]

約数ペア:

[(1, 20039685), (3, 6679895), (5, 4007937), (15, 1335979), (17, 1178805), (51, 392935), (85, 235761), (89, 225165), (255, 78587), (267, 75055), (445, 45033), (883, 22695), (1335, 15011), (1513, 13245), (2649, 7565), (4415, 4539)]