20742966

素因数分解:

$2^1\times 3^6\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:408

約数の個数: 56

約数和(自身を含む): 47925864

約数和(自身を除く): 27182898

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 81, 82, 123, 162, 243, 246, 347, 369, 486, 694, 729, 738, 1041, 1107, 1458, 2082, 2214, 3123, 3321, 6246, 6642, 9369, 9963, 14227, 18738, 19926, 28107, 28454, 29889, 42681, 56214, 59778, 84321, 85362, 128043, 168642, 252963, 256086, 384129, 505926, 768258, 1152387, 2304774, 3457161, 6914322, 10371483, 20742966]

約数ペア:

[(1, 20742966), (2, 10371483), (3, 6914322), (6, 3457161), (9, 2304774), (18, 1152387), (27, 768258), (41, 505926), (54, 384129), (81, 256086), (82, 252963), (123, 168642), (162, 128043), (243, 85362), (246, 84321), (347, 59778), (369, 56214), (486, 42681), (694, 29889), (729, 28454), (738, 28107), (1041, 19926), (1107, 18738), (1458, 14227), (2082, 9963), (2214, 9369), (3123, 6642), (3321, 6246)]