20127490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{601}}^1$

素因数の和:822

約数の個数: 32

約数和(自身を含む): 38619504

約数和(自身を除く): 18492014

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 197, 394, 601, 985, 1202, 1970, 3005, 3349, 6010, 6698, 10217, 16745, 20434, 33490, 51085, 102170, 118397, 236794, 591985, 1183970, 2012749, 4025498, 10063745, 20127490]

約数ペア:

[(1, 20127490), (2, 10063745), (5, 4025498), (10, 2012749), (17, 1183970), (34, 591985), (85, 236794), (170, 118397), (197, 102170), (394, 51085), (601, 33490), (985, 20434), (1202, 16745), (1970, 10217), (3005, 6698), (3349, 6010)]