20719188

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{82219}}^1$

素因数の和:82236

約数の個数: 36

約数和(自身を含む): 59856160

約数和(自身を除く): 39136972

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 82219, 164438, 246657, 328876, 493314, 575533, 739971, 986628, 1151066, 1479942, 1726599, 2302132, 2959884, 3453198, 5179797, 6906396, 10359594, 20719188]

約数ペア:

[(1, 20719188), (2, 10359594), (3, 6906396), (4, 5179797), (6, 3453198), (7, 2959884), (9, 2302132), (12, 1726599), (14, 1479942), (18, 1151066), (21, 986628), (28, 739971), (36, 575533), (42, 493314), (63, 328876), (84, 246657), (126, 164438), (252, 82219)]