20854096

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{379}}^1$

素因数の和:587

約数の個数: 40

約数和(自身を含む): 42879200

約数和(自身を除く): 22025104

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 181, 304, 362, 379, 724, 758, 1448, 1516, 2896, 3032, 3439, 6064, 6878, 7201, 13756, 14402, 27512, 28804, 55024, 57608, 68599, 115216, 137198, 274396, 548792, 1097584, 1303381, 2606762, 5213524, 10427048, 20854096]

約数ペア:

[(1, 20854096), (2, 10427048), (4, 5213524), (8, 2606762), (16, 1303381), (19, 1097584), (38, 548792), (76, 274396), (152, 137198), (181, 115216), (304, 68599), (362, 57608), (379, 55024), (724, 28804), (758, 27512), (1448, 14402), (1516, 13756), (2896, 7201), (3032, 6878), (3439, 6064)]