16523220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{39341}}^1$

素因数の和:39360

約数の個数: 48

約数和(自身を含む): 52875648

約数和(自身を除く): 36352428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 39341, 78682, 118023, 157364, 196705, 236046, 275387, 393410, 472092, 550774, 590115, 786820, 826161, 1101548, 1180230, 1376935, 1652322, 2360460, 2753870, 3304644, 4130805, 5507740, 8261610, 16523220]

約数ペア:

[(1, 16523220), (2, 8261610), (3, 5507740), (4, 4130805), (5, 3304644), (6, 2753870), (7, 2360460), (10, 1652322), (12, 1376935), (14, 1180230), (15, 1101548), (20, 826161), (21, 786820), (28, 590115), (30, 550774), (35, 472092), (42, 393410), (60, 275387), (70, 236046), (84, 196705), (105, 157364), (140, 118023), (210, 78682), (420, 39341)]