20161609856

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{22871}}^1$

素因数の和:23053

約数の個数: 64

約数和(自身を含む): 41153132160

約数和(自身を除く): 20991522304

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 97, 128, 142, 194, 284, 388, 568, 776, 1136, 1552, 2272, 3104, 4544, 6208, 6887, 9088, 12416, 13774, 22871, 27548, 45742, 55096, 91484, 110192, 182968, 220384, 365936, 440768, 731872, 881536, 1463744, 1623841, 2218487, 2927488, 3247682, 4436974, 6495364, 8873948, 12990728, 17747896, 25981456, 35495792, 51962912, 70991584, 103925824, 141983168, 157512577, 207851648, 283966336, 315025154, 630050308, 1260100616, 2520201232, 5040402464, 10080804928, 20161609856]

約数ペア:

[(1, 20161609856), (2, 10080804928), (4, 5040402464), (8, 2520201232), (16, 1260100616), (32, 630050308), (64, 315025154), (71, 283966336), (97, 207851648), (128, 157512577), (142, 141983168), (194, 103925824), (284, 70991584), (388, 51962912), (568, 35495792), (776, 25981456), (1136, 17747896), (1552, 12990728), (2272, 8873948), (3104, 6495364), (4544, 4436974), (6208, 3247682), (6887, 2927488), (9088, 2218487), (12416, 1623841), (13774, 1463744), (22871, 881536), (27548, 731872), (45742, 440768), (55096, 365936), (91484, 220384), (110192, 182968)]