68000020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{309091}}^1$

素因数の和:309111

約数の個数: 24

約数和(自身を含む): 155782368

約数和(自身を除く): 87782348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 309091, 618182, 1236364, 1545455, 3090910, 3400001, 6181820, 6800002, 13600004, 17000005, 34000010, 68000020]

約数ペア:

[(1, 68000020), (2, 34000010), (4, 17000005), (5, 13600004), (10, 6800002), (11, 6181820), (20, 3400001), (22, 3090910), (44, 1545455), (55, 1236364), (110, 618182), (220, 309091)]