20701058

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1213}}^1$

素因数の和:1298

約数の個数: 32

約数和(自身を含む): 37760256

約数和(自身を除く): 17059198

約数列:

[1, 2, 7, 14, 23, 46, 53, 106, 161, 322, 371, 742, 1213, 1219, 2426, 2438, 8491, 8533, 16982, 17066, 27899, 55798, 64289, 128578, 195293, 390586, 450023, 900046, 1478647, 2957294, 10350529, 20701058]

約数ペア:

[(1, 20701058), (2, 10350529), (7, 2957294), (14, 1478647), (23, 900046), (46, 450023), (53, 390586), (106, 195293), (161, 128578), (322, 64289), (371, 55798), (742, 27899), (1213, 17066), (1219, 16982), (2426, 8533), (2438, 8491)]