20239625140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{316343}}^1$

素因数の和:316816

約数の個数: 48

約数和(自身を含む): 48681545472

約数和(自身を除く): 28441920332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 457, 914, 1828, 2285, 3199, 4570, 6398, 9140, 12796, 15995, 31990, 63980, 316343, 632686, 1265372, 1581715, 2214401, 3163430, 4428802, 6326860, 8857604, 11072005, 22144010, 44288020, 144568751, 289137502, 578275004, 722843755, 1011981257, 1445687510, 2023962514, 2891375020, 4047925028, 5059906285, 10119812570, 20239625140]

約数ペア:

[(1, 20239625140), (2, 10119812570), (4, 5059906285), (5, 4047925028), (7, 2891375020), (10, 2023962514), (14, 1445687510), (20, 1011981257), (28, 722843755), (35, 578275004), (70, 289137502), (140, 144568751), (457, 44288020), (914, 22144010), (1828, 11072005), (2285, 8857604), (3199, 6326860), (4570, 4428802), (6398, 3163430), (9140, 2214401), (12796, 1581715), (15995, 1265372), (31990, 632686), (63980, 316343)]