20123557533

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{30977}}^1$

素因数の和:31162

約数の個数: 48

約数和(自身を含む): 31894948800

約数和(自身を除く): 11771391267

約数列:

[1, 3, 9, 19, 29, 57, 87, 131, 171, 261, 393, 551, 1179, 1653, 2489, 3799, 4959, 7467, 11397, 22401, 30977, 34191, 72181, 92931, 216543, 278793, 588563, 649629, 898333, 1765689, 2694999, 4057987, 5297067, 8084997, 12173961, 17068327, 36521883, 51204981, 77101753, 117681623, 153614943, 231305259, 353044869, 693915777, 1059134607, 2235950837, 6707852511, 20123557533]

約数ペア:

[(1, 20123557533), (3, 6707852511), (9, 2235950837), (19, 1059134607), (29, 693915777), (57, 353044869), (87, 231305259), (131, 153614943), (171, 117681623), (261, 77101753), (393, 51204981), (551, 36521883), (1179, 17068327), (1653, 12173961), (2489, 8084997), (3799, 5297067), (4959, 4057987), (7467, 2694999), (11397, 1765689), (22401, 898333), (30977, 649629), (34191, 588563), (72181, 278793), (92931, 216543)]