20623832

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{359}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 19292968

約数列:

[1, 2, 4, 8, 43, 86, 167, 172, 334, 344, 359, 668, 718, 1336, 1436, 2872, 7181, 14362, 15437, 28724, 30874, 57448, 59953, 61748, 119906, 123496, 239812, 479624, 2577979, 5155958, 10311916, 20623832]

約数ペア:

[(1, 20623832), (2, 10311916), (4, 5155958), (8, 2577979), (43, 479624), (86, 239812), (167, 123496), (172, 119906), (334, 61748), (344, 59953), (359, 57448), (668, 30874), (718, 28724), (1336, 15437), (1436, 14362), (2872, 7181)]