20831076

素因数分解:

$2^2\times 3^2\times 7^4\times {\mathrm{241}}^1$

素因数の和:279

約数の個数: 90

約数和(自身を含む): 61683622

約数和(自身を除く): 40852546

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 241, 252, 294, 343, 441, 482, 588, 686, 723, 882, 964, 1029, 1372, 1446, 1687, 1764, 2058, 2169, 2401, 2892, 3087, 3374, 4116, 4338, 4802, 5061, 6174, 6748, 7203, 8676, 9604, 10122, 11809, 12348, 14406, 15183, 20244, 21609, 23618, 28812, 30366, 35427, 43218, 47236, 60732, 70854, 82663, 86436, 106281, 141708, 165326, 212562, 247989, 330652, 425124, 495978, 578641, 743967, 991956, 1157282, 1487934, 1735923, 2314564, 2975868, 3471846, 5207769, 6943692, 10415538, 20831076]

約数ペア:

[(1, 20831076), (2, 10415538), (3, 6943692), (4, 5207769), (6, 3471846), (7, 2975868), (9, 2314564), (12, 1735923), (14, 1487934), (18, 1157282), (21, 991956), (28, 743967), (36, 578641), (42, 495978), (49, 425124), (63, 330652), (84, 247989), (98, 212562), (126, 165326), (147, 141708), (196, 106281), (241, 86436), (252, 82663), (294, 70854), (343, 60732), (441, 47236), (482, 43218), (588, 35427), (686, 30366), (723, 28812), (882, 23618), (964, 21609), (1029, 20244), (1372, 15183), (1446, 14406), (1687, 12348), (1764, 11809), (2058, 10122), (2169, 9604), (2401, 8676), (2892, 7203), (3087, 6748), (3374, 6174), (4116, 5061), (4338, 4802)]