20216392

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7681}}^1$

素因数の和:7741

約数の個数: 32

約数和(自身を含む): 44248320

約数和(自身を除く): 24031928

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 7681, 15362, 30724, 53767, 61448, 107534, 215068, 361007, 430136, 722014, 1444028, 2527049, 2888056, 5054098, 10108196, 20216392]

約数ペア:

[(1, 20216392), (2, 10108196), (4, 5054098), (7, 2888056), (8, 2527049), (14, 1444028), (28, 722014), (47, 430136), (56, 361007), (94, 215068), (188, 107534), (329, 61448), (376, 53767), (658, 30724), (1316, 15362), (2632, 7681)]