20053812

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{499}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 49896000

約数和(自身を除く): 29842188

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 197, 204, 394, 499, 591, 788, 998, 1182, 1497, 1996, 2364, 2994, 3349, 5988, 6698, 8483, 10047, 13396, 16966, 20094, 25449, 33932, 40188, 50898, 98303, 101796, 196606, 294909, 393212, 589818, 1179636, 1671151, 3342302, 5013453, 6684604, 10026906, 20053812]

約数ペア:

[(1, 20053812), (2, 10026906), (3, 6684604), (4, 5013453), (6, 3342302), (12, 1671151), (17, 1179636), (34, 589818), (51, 393212), (68, 294909), (102, 196606), (197, 101796), (204, 98303), (394, 50898), (499, 40188), (591, 33932), (788, 25449), (998, 20094), (1182, 16966), (1497, 13396), (1996, 10047), (2364, 8483), (2994, 6698), (3349, 5988)]