20302905

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1201}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 39464064

約数和(自身を除く): 19161159

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 49, 69, 105, 115, 147, 161, 245, 345, 483, 735, 805, 1127, 1201, 2415, 3381, 3603, 5635, 6005, 8407, 16905, 18015, 25221, 27623, 42035, 58849, 82869, 126105, 138115, 176547, 193361, 294245, 414345, 580083, 882735, 966805, 1353527, 2900415, 4060581, 6767635, 20302905]

約数ペア:

[(1, 20302905), (3, 6767635), (5, 4060581), (7, 2900415), (15, 1353527), (21, 966805), (23, 882735), (35, 580083), (49, 414345), (69, 294245), (105, 193361), (115, 176547), (147, 138115), (161, 126105), (245, 82869), (345, 58849), (483, 42035), (735, 27623), (805, 25221), (1127, 18015), (1201, 16905), (2415, 8407), (3381, 6005), (3603, 5635)]