20667410

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1993}}^1$

素因数の和:2078

約数の個数: 32

約数和(自身を含む): 40055472

約数和(自身を除く): 19388062

約数列:

[1, 2, 5, 10, 17, 34, 61, 85, 122, 170, 305, 610, 1037, 1993, 2074, 3986, 5185, 9965, 10370, 19930, 33881, 67762, 121573, 169405, 243146, 338810, 607865, 1215730, 2066741, 4133482, 10333705, 20667410]

約数ペア:

[(1, 20667410), (2, 10333705), (5, 4133482), (10, 2066741), (17, 1215730), (34, 607865), (61, 338810), (85, 243146), (122, 169405), (170, 121573), (305, 67762), (610, 33881), (1037, 19930), (1993, 10370), (2074, 9965), (3986, 5185)]