20673450

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{6563}}^1$

素因数の和:6588

約数の個数: 72

約数和(自身を含む): 63487008

約数和(自身を除く): 42813558

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 210, 225, 315, 350, 450, 525, 630, 1050, 1575, 3150, 6563, 13126, 19689, 32815, 39378, 45941, 59067, 65630, 91882, 98445, 118134, 137823, 164075, 196890, 229705, 275646, 295335, 328150, 413469, 459410, 492225, 590670, 689115, 826938, 984450, 1148525, 1378230, 1476675, 2067345, 2297050, 2953350, 3445575, 4134690, 6891150, 10336725, 20673450]

約数ペア:

[(1, 20673450), (2, 10336725), (3, 6891150), (5, 4134690), (6, 3445575), (7, 2953350), (9, 2297050), (10, 2067345), (14, 1476675), (15, 1378230), (18, 1148525), (21, 984450), (25, 826938), (30, 689115), (35, 590670), (42, 492225), (45, 459410), (50, 413469), (63, 328150), (70, 295335), (75, 275646), (90, 229705), (105, 196890), (126, 164075), (150, 137823), (175, 118134), (210, 98445), (225, 91882), (315, 65630), (350, 59067), (450, 45941), (525, 39378), (630, 32815), (1050, 19689), (1575, 13126), (3150, 6563)]