20381266

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 34369920

約数和(自身を除く): 13988654

約数列:

[1, 2, 17, 23, 34, 46, 67, 134, 389, 391, 778, 782, 1139, 1541, 2278, 3082, 6613, 8947, 13226, 17894, 26063, 26197, 52126, 52394, 152099, 304198, 443071, 599449, 886142, 1198898, 10190633, 20381266]

約数ペア:

[(1, 20381266), (2, 10190633), (17, 1198898), (23, 886142), (34, 599449), (46, 443071), (67, 304198), (134, 152099), (389, 52394), (391, 52126), (778, 26197), (782, 26063), (1139, 17894), (1541, 13226), (2278, 8947), (3082, 6613)]