20036864

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 43267392

約数和(自身を除く): 23230528

約数列:

[1, 2, 4, 8, 16, 23, 32, 41, 46, 64, 82, 83, 92, 128, 164, 166, 184, 256, 328, 332, 368, 656, 664, 736, 943, 1312, 1328, 1472, 1886, 1909, 2624, 2656, 2944, 3403, 3772, 3818, 5248, 5312, 5888, 6806, 7544, 7636, 10496, 10624, 13612, 15088, 15272, 21248, 27224, 30176, 30544, 54448, 60352, 61088, 78269, 108896, 120704, 122176, 156538, 217792, 241408, 244352, 313076, 435584, 488704, 626152, 871168, 1252304, 2504608, 5009216, 10018432, 20036864]

約数ペア:

[(1, 20036864), (2, 10018432), (4, 5009216), (8, 2504608), (16, 1252304), (23, 871168), (32, 626152), (41, 488704), (46, 435584), (64, 313076), (82, 244352), (83, 241408), (92, 217792), (128, 156538), (164, 122176), (166, 120704), (184, 108896), (256, 78269), (328, 61088), (332, 60352), (368, 54448), (656, 30544), (664, 30176), (736, 27224), (943, 21248), (1312, 15272), (1328, 15088), (1472, 13612), (1886, 10624), (1909, 10496), (2624, 7636), (2656, 7544), (2944, 6806), (3403, 5888), (3772, 5312), (3818, 5248)]