20045200072

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{335743}}^1$

素因数の和:336205

約数の個数: 32

約数和(自身を含む): 39886387200

約数和(自身を除く): 19841187128

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 439, 878, 1756, 3512, 7463, 14926, 29852, 59704, 335743, 671486, 1342972, 2685944, 5707631, 11415262, 22830524, 45661048, 147391177, 294782354, 589564708, 1179129416, 2505650009, 5011300018, 10022600036, 20045200072]

約数ペア:

[(1, 20045200072), (2, 10022600036), (4, 5011300018), (8, 2505650009), (17, 1179129416), (34, 589564708), (68, 294782354), (136, 147391177), (439, 45661048), (878, 22830524), (1756, 11415262), (3512, 5707631), (7463, 2685944), (14926, 1342972), (29852, 671486), (59704, 335743)]