20161367872

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{641}}^1\times {\mathrm{28909}}^1$

素因数の和:29579

約数の個数: 56

約数和(自身を含む): 42428662920

約数和(自身を除く): 22267295048

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 641, 1088, 1282, 2564, 5128, 10256, 10897, 20512, 21794, 28909, 41024, 43588, 57818, 87176, 115636, 174352, 231272, 348704, 462544, 491453, 697408, 925088, 982906, 1850176, 1965812, 3931624, 7863248, 15726496, 18530669, 31452992, 37061338, 74122676, 148245352, 296490704, 315021373, 592981408, 630042746, 1185962816, 1260085492, 2520170984, 5040341968, 10080683936, 20161367872]

約数ペア:

[(1, 20161367872), (2, 10080683936), (4, 5040341968), (8, 2520170984), (16, 1260085492), (17, 1185962816), (32, 630042746), (34, 592981408), (64, 315021373), (68, 296490704), (136, 148245352), (272, 74122676), (544, 37061338), (641, 31452992), (1088, 18530669), (1282, 15726496), (2564, 7863248), (5128, 3931624), (10256, 1965812), (10897, 1850176), (20512, 982906), (21794, 925088), (28909, 697408), (41024, 491453), (43588, 462544), (57818, 348704), (87176, 231272), (115636, 174352)]