20155842

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{461}}^1$

素因数の和:823

約数の個数: 48

約数和(自身を含む): 50162112

約数和(自身を除く): 30006270

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 347, 461, 694, 922, 1041, 1383, 2082, 2429, 2766, 3123, 3227, 4149, 4858, 6246, 6454, 7287, 8298, 9681, 14574, 19362, 21861, 29043, 43722, 58086, 159967, 319934, 479901, 959802, 1119769, 1439703, 2239538, 2879406, 3359307, 6718614, 10077921, 20155842]

約数ペア:

[(1, 20155842), (2, 10077921), (3, 6718614), (6, 3359307), (7, 2879406), (9, 2239538), (14, 1439703), (18, 1119769), (21, 959802), (42, 479901), (63, 319934), (126, 159967), (347, 58086), (461, 43722), (694, 29043), (922, 21861), (1041, 19362), (1383, 14574), (2082, 9681), (2429, 8298), (2766, 7287), (3123, 6454), (3227, 6246), (4149, 4858)]