20845548

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:567

約数の個数: 72

約数和(自身を含む): 55954080

約数和(自身を除く): 35108532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 41, 58, 82, 87, 116, 123, 164, 174, 246, 261, 348, 369, 487, 492, 522, 738, 974, 1044, 1189, 1461, 1476, 1948, 2378, 2922, 3567, 4383, 4756, 5844, 7134, 8766, 10701, 14123, 14268, 17532, 19967, 21402, 28246, 39934, 42369, 42804, 56492, 59901, 79868, 84738, 119802, 127107, 169476, 179703, 239604, 254214, 359406, 508428, 579043, 718812, 1158086, 1737129, 2316172, 3474258, 5211387, 6948516, 10422774, 20845548]

約数ペア:

[(1, 20845548), (2, 10422774), (3, 6948516), (4, 5211387), (6, 3474258), (9, 2316172), (12, 1737129), (18, 1158086), (29, 718812), (36, 579043), (41, 508428), (58, 359406), (82, 254214), (87, 239604), (116, 179703), (123, 169476), (164, 127107), (174, 119802), (246, 84738), (261, 79868), (348, 59901), (369, 56492), (487, 42804), (492, 42369), (522, 39934), (738, 28246), (974, 21402), (1044, 19967), (1189, 17532), (1461, 14268), (1476, 14123), (1948, 10701), (2378, 8766), (2922, 7134), (3567, 5844), (4383, 4756)]