20534724

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{1663}}^1$

素因数の和:1694

約数の個数: 72

約数和(自身を含む): 60569600

約数和(自身を除く): 40034876

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 441, 588, 686, 882, 1029, 1372, 1663, 1764, 2058, 3087, 3326, 4116, 4989, 6174, 6652, 9978, 11641, 12348, 14967, 19956, 23282, 29934, 34923, 46564, 59868, 69846, 81487, 104769, 139692, 162974, 209538, 244461, 325948, 419076, 488922, 570409, 733383, 977844, 1140818, 1466766, 1711227, 2281636, 2933532, 3422454, 5133681, 6844908, 10267362, 20534724]

約数ペア:

[(1, 20534724), (2, 10267362), (3, 6844908), (4, 5133681), (6, 3422454), (7, 2933532), (9, 2281636), (12, 1711227), (14, 1466766), (18, 1140818), (21, 977844), (28, 733383), (36, 570409), (42, 488922), (49, 419076), (63, 325948), (84, 244461), (98, 209538), (126, 162974), (147, 139692), (196, 104769), (252, 81487), (294, 69846), (343, 59868), (441, 46564), (588, 34923), (686, 29934), (882, 23282), (1029, 19956), (1372, 14967), (1663, 12348), (1764, 11641), (2058, 9978), (3087, 6652), (3326, 6174), (4116, 4989)]