20861340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9397}}^1$

素因数の和:9446

約数の個数: 48

約数和(自身を含む): 59996832

約数和(自身を除く): 39135492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 9397, 18794, 28191, 37588, 46985, 56382, 93970, 112764, 140955, 187940, 281910, 347689, 563820, 695378, 1043067, 1390756, 1738445, 2086134, 3476890, 4172268, 5215335, 6953780, 10430670, 20861340]

約数ペア:

[(1, 20861340), (2, 10430670), (3, 6953780), (4, 5215335), (5, 4172268), (6, 3476890), (10, 2086134), (12, 1738445), (15, 1390756), (20, 1043067), (30, 695378), (37, 563820), (60, 347689), (74, 281910), (111, 187940), (148, 140955), (185, 112764), (222, 93970), (370, 56382), (444, 46985), (555, 37588), (740, 28191), (1110, 18794), (2220, 9397)]