20700322

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:402

約数の個数: 32

約数和(自身を含む): 34774272

約数和(自身を除く): 14073950

約数列:

[1, 2, 17, 23, 34, 46, 103, 206, 257, 391, 514, 782, 1751, 2369, 3502, 4369, 4738, 5911, 8738, 11822, 26471, 40273, 52942, 80546, 100487, 200974, 450007, 608833, 900014, 1217666, 10350161, 20700322]

約数ペア:

[(1, 20700322), (2, 10350161), (17, 1217666), (23, 900014), (34, 608833), (46, 450007), (103, 200974), (206, 100487), (257, 80546), (391, 52942), (514, 40273), (782, 26471), (1751, 11822), (2369, 8738), (3502, 5911), (4369, 4738)]