20624450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{487}}^1$

素因数の和:528

約数の個数: 72

約数和(自身を含む): 48288576

約数和(自身を除く): 27664126

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 121, 154, 175, 242, 275, 350, 385, 487, 550, 605, 770, 847, 974, 1210, 1694, 1925, 2435, 3025, 3409, 3850, 4235, 4870, 5357, 6050, 6818, 8470, 10714, 12175, 17045, 21175, 24350, 26785, 34090, 37499, 42350, 53570, 58927, 74998, 85225, 117854, 133925, 170450, 187495, 267850, 294635, 374990, 412489, 589270, 824978, 937475, 1473175, 1874950, 2062445, 2946350, 4124890, 10312225, 20624450]

約数ペア:

[(1, 20624450), (2, 10312225), (5, 4124890), (7, 2946350), (10, 2062445), (11, 1874950), (14, 1473175), (22, 937475), (25, 824978), (35, 589270), (50, 412489), (55, 374990), (70, 294635), (77, 267850), (110, 187495), (121, 170450), (154, 133925), (175, 117854), (242, 85225), (275, 74998), (350, 58927), (385, 53570), (487, 42350), (550, 37499), (605, 34090), (770, 26785), (847, 24350), (974, 21175), (1210, 17045), (1694, 12175), (1925, 10714), (2435, 8470), (3025, 6818), (3409, 6050), (3850, 5357), (4235, 4870)]