20788049376

素因数分解:

$2^5\times 3^2\times {\mathrm{1381}}^1\times {\mathrm{52267}}^1$

素因数の和:53664

約数の個数: 72

約数和(自身を含む): 59159953944

約数和(自身を除く): 38371904568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 1381, 2762, 4143, 5524, 8286, 11048, 12429, 16572, 22096, 24858, 33144, 44192, 49716, 52267, 66288, 99432, 104534, 132576, 156801, 198864, 209068, 313602, 397728, 418136, 470403, 627204, 836272, 940806, 1254408, 1672544, 1881612, 2508816, 3763224, 5017632, 7526448, 15052896, 72180727, 144361454, 216542181, 288722908, 433084362, 577445816, 649626543, 866168724, 1154891632, 1299253086, 1732337448, 2309783264, 2598506172, 3464674896, 5197012344, 6929349792, 10394024688, 20788049376]

約数ペア:

[(1, 20788049376), (2, 10394024688), (3, 6929349792), (4, 5197012344), (6, 3464674896), (8, 2598506172), (9, 2309783264), (12, 1732337448), (16, 1299253086), (18, 1154891632), (24, 866168724), (32, 649626543), (36, 577445816), (48, 433084362), (72, 288722908), (96, 216542181), (144, 144361454), (288, 72180727), (1381, 15052896), (2762, 7526448), (4143, 5017632), (5524, 3763224), (8286, 2508816), (11048, 1881612), (12429, 1672544), (16572, 1254408), (22096, 940806), (24858, 836272), (33144, 627204), (44192, 470403), (49716, 418136), (52267, 397728), (66288, 313602), (99432, 209068), (104534, 198864), (132576, 156801)]