20476208

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{373}}^1$

素因数の和:501

約数の個数: 40

約数和(自身を含む): 41181888

約数和(自身を除く): 20705680

約数列:

[1, 2, 4, 8, 16, 47, 73, 94, 146, 188, 292, 373, 376, 584, 746, 752, 1168, 1492, 2984, 3431, 5968, 6862, 13724, 17531, 27229, 27448, 35062, 54458, 54896, 70124, 108916, 140248, 217832, 280496, 435664, 1279763, 2559526, 5119052, 10238104, 20476208]

約数ペア:

[(1, 20476208), (2, 10238104), (4, 5119052), (8, 2559526), (16, 1279763), (47, 435664), (73, 280496), (94, 217832), (146, 140248), (188, 108916), (292, 70124), (373, 54896), (376, 54458), (584, 35062), (746, 27448), (752, 27229), (1168, 17531), (1492, 13724), (2984, 6862), (3431, 5968)]