20994036

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{853}}^1$

素因数の和:1160

約数の個数: 48

約数和(自身を含む): 56241024

約数和(自身を除く): 35246988

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 293, 586, 853, 879, 1172, 1706, 1758, 2051, 2559, 3412, 3516, 4102, 5118, 5971, 6153, 8204, 10236, 11942, 12306, 17913, 23884, 24612, 35826, 71652, 249929, 499858, 749787, 999716, 1499574, 1749503, 2999148, 3499006, 5248509, 6998012, 10497018, 20994036]

約数ペア:

[(1, 20994036), (2, 10497018), (3, 6998012), (4, 5248509), (6, 3499006), (7, 2999148), (12, 1749503), (14, 1499574), (21, 999716), (28, 749787), (42, 499858), (84, 249929), (293, 71652), (586, 35826), (853, 24612), (879, 23884), (1172, 17913), (1706, 12306), (1758, 11942), (2051, 10236), (2559, 8204), (3412, 6153), (3516, 5971), (4102, 5118)]