20004568136

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{378817}}^1$

素因数の和:378894

約数の個数: 64

約数和(自身を含む): 45821825280

約数和(自身を除く): 25817257144

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 41, 46, 56, 82, 92, 161, 164, 184, 287, 322, 328, 574, 644, 943, 1148, 1288, 1886, 2296, 3772, 6601, 7544, 13202, 26404, 52808, 378817, 757634, 1515268, 2651719, 3030536, 5303438, 8712791, 10606876, 15531497, 17425582, 21213752, 31062994, 34851164, 60989537, 62125988, 69702328, 108720479, 121979074, 124251976, 217440958, 243958148, 357224431, 434881916, 487916296, 714448862, 869763832, 1428897724, 2500571017, 2857795448, 5001142034, 10002284068, 20004568136]

約数ペア:

[(1, 20004568136), (2, 10002284068), (4, 5001142034), (7, 2857795448), (8, 2500571017), (14, 1428897724), (23, 869763832), (28, 714448862), (41, 487916296), (46, 434881916), (56, 357224431), (82, 243958148), (92, 217440958), (161, 124251976), (164, 121979074), (184, 108720479), (287, 69702328), (322, 62125988), (328, 60989537), (574, 34851164), (644, 31062994), (943, 21213752), (1148, 17425582), (1288, 15531497), (1886, 10606876), (2296, 8712791), (3772, 5303438), (6601, 3030536), (7544, 2651719), (13202, 1515268), (26404, 757634), (52808, 378817)]