20123064711

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:506

約数の個数: 128

約数和(自身を含む): 33819033600

約数和(自身を除く): 13695968889

約数列:

[1, 3, 9, 19, 23, 27, 47, 57, 69, 131, 141, 171, 207, 277, 393, 423, 437, 513, 621, 831, 893, 1081, 1179, 1269, 1311, 2489, 2493, 2679, 3013, 3243, 3537, 3933, 5263, 6157, 6371, 7467, 7479, 8037, 9039, 9729, 11799, 13019, 15789, 18471, 19113, 20539, 22401, 24111, 27117, 29187, 36287, 39057, 47367, 55413, 57247, 57339, 61617, 67203, 81351, 108861, 116983, 117171, 121049, 141611, 142101, 166239, 171741, 172017, 184851, 247361, 299437, 326583, 350949, 351513, 363147, 424833, 515223, 554553, 689453, 742083, 834601, 898311, 979749, 1052847, 1089441, 1274499, 1545669, 1705489, 2068359, 2226249, 2503803, 2690609, 2694933, 3158541, 3268323, 3823497, 5116467, 5689303, 6205077, 6678747, 7511409, 8071827, 8084799, 15349401, 15857419, 17067909, 18615231, 22534227, 24215481, 32404291, 39226247, 46048203, 47572257, 51203727, 72646443, 97212873, 117678741, 142716771, 153611181, 291638619, 353036223, 428150313, 745298693, 874915857, 1059108669, 2235896079, 6707688237, 20123064711]

約数ペア:

[(1, 20123064711), (3, 6707688237), (9, 2235896079), (19, 1059108669), (23, 874915857), (27, 745298693), (47, 428150313), (57, 353036223), (69, 291638619), (131, 153611181), (141, 142716771), (171, 117678741), (207, 97212873), (277, 72646443), (393, 51203727), (423, 47572257), (437, 46048203), (513, 39226247), (621, 32404291), (831, 24215481), (893, 22534227), (1081, 18615231), (1179, 17067909), (1269, 15857419), (1311, 15349401), (2489, 8084799), (2493, 8071827), (2679, 7511409), (3013, 6678747), (3243, 6205077), (3537, 5689303), (3933, 5116467), (5263, 3823497), (6157, 3268323), (6371, 3158541), (7467, 2694933), (7479, 2690609), (8037, 2503803), (9039, 2226249), (9729, 2068359), (11799, 1705489), (13019, 1545669), (15789, 1274499), (18471, 1089441), (19113, 1052847), (20539, 979749), (22401, 898311), (24111, 834601), (27117, 742083), (29187, 689453), (36287, 554553), (39057, 515223), (47367, 424833), (55413, 363147), (57247, 351513), (57339, 350949), (61617, 326583), (67203, 299437), (81351, 247361), (108861, 184851), (116983, 172017), (117171, 171741), (121049, 166239), (141611, 142101)]