20674071

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 35568000

約数和(自身を除く): 14893929

約数列:

[1, 3, 9, 11, 19, 29, 33, 57, 87, 99, 171, 209, 261, 319, 379, 551, 627, 957, 1137, 1653, 1881, 2871, 3411, 4169, 4959, 6061, 7201, 10991, 12507, 18183, 21603, 32973, 37521, 54549, 64809, 79211, 98919, 120901, 208829, 237633, 362703, 626487, 712899, 1088109, 1879461, 2297119, 6891357, 20674071]

約数ペア:

[(1, 20674071), (3, 6891357), (9, 2297119), (11, 1879461), (19, 1088109), (29, 712899), (33, 626487), (57, 362703), (87, 237633), (99, 208829), (171, 120901), (209, 98919), (261, 79211), (319, 64809), (379, 54549), (551, 37521), (627, 32973), (957, 21603), (1137, 18183), (1653, 12507), (1881, 10991), (2871, 7201), (3411, 6061), (4169, 4959)]