19923260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1409}}^1$

素因数の和:1526

約数の個数: 48

約数和(自身を含む): 48323520

約数和(自身を除く): 28400260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1409, 1414, 2020, 2818, 2828, 3535, 5636, 7045, 7070, 9863, 14090, 14140, 19726, 28180, 39452, 49315, 98630, 142309, 197260, 284618, 569236, 711545, 996163, 1423090, 1992326, 2846180, 3984652, 4980815, 9961630, 19923260]

約数ペア:

[(1, 19923260), (2, 9961630), (4, 4980815), (5, 3984652), (7, 2846180), (10, 1992326), (14, 1423090), (20, 996163), (28, 711545), (35, 569236), (70, 284618), (101, 197260), (140, 142309), (202, 98630), (404, 49315), (505, 39452), (707, 28180), (1010, 19726), (1409, 14140), (1414, 14090), (2020, 9863), (2818, 7070), (2828, 7045), (3535, 5636)]