20295230

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{479}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 18411970

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 223, 446, 479, 958, 1115, 2230, 2395, 4237, 4790, 8474, 9101, 18202, 21185, 42370, 45505, 91010, 106817, 213634, 534085, 1068170, 2029523, 4059046, 10147615, 20295230]

約数ペア:

[(1, 20295230), (2, 10147615), (5, 4059046), (10, 2029523), (19, 1068170), (38, 534085), (95, 213634), (190, 106817), (223, 91010), (446, 45505), (479, 42370), (958, 21185), (1115, 18202), (2230, 9101), (2395, 8474), (4237, 4790)]