20161689376

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{521999}}^1$

素因数の和:522097

約数の個数: 48

約数和(自身を含む): 42620256000

約数和(自身を除く): 22458566624

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 71, 136, 142, 272, 284, 544, 568, 1136, 1207, 2272, 2414, 4828, 9656, 19312, 38624, 521999, 1043998, 2087996, 4175992, 8351984, 8873983, 16703968, 17747966, 35495932, 37061929, 70991864, 74123858, 141983728, 148247716, 283967456, 296495432, 592990864, 630052793, 1185981728, 1260105586, 2520211172, 5040422344, 10080844688, 20161689376]

約数ペア:

[(1, 20161689376), (2, 10080844688), (4, 5040422344), (8, 2520211172), (16, 1260105586), (17, 1185981728), (32, 630052793), (34, 592990864), (68, 296495432), (71, 283967456), (136, 148247716), (142, 141983728), (272, 74123858), (284, 70991864), (544, 37061929), (568, 35495932), (1136, 17747966), (1207, 16703968), (2272, 8873983), (2414, 8351984), (4828, 4175992), (9656, 2087996), (19312, 1043998), (38624, 521999)]