20199797590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1\times {\mathrm{15401}}^1$

素因数の和:15913

約数の個数: 64

約数和(自身を含む): 42663293568

約数和(自身を除く): 22463495978

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 457, 574, 914, 1435, 2285, 2870, 3199, 4570, 6398, 15401, 15995, 18737, 30802, 31990, 37474, 77005, 93685, 107807, 131159, 154010, 187370, 215614, 262318, 539035, 631441, 655795, 1078070, 1262882, 1311590, 3157205, 4420087, 6314410, 7038257, 8840174, 14076514, 22100435, 35191285, 44200870, 49267799, 70382570, 98535598, 246338995, 288568537, 492677990, 577137074, 1442842685, 2019979759, 2885685370, 4039959518, 10099898795, 20199797590]

約数ペア:

[(1, 20199797590), (2, 10099898795), (5, 4039959518), (7, 2885685370), (10, 2019979759), (14, 1442842685), (35, 577137074), (41, 492677990), (70, 288568537), (82, 246338995), (205, 98535598), (287, 70382570), (410, 49267799), (457, 44200870), (574, 35191285), (914, 22100435), (1435, 14076514), (2285, 8840174), (2870, 7038257), (3199, 6314410), (4570, 4420087), (6398, 3157205), (15401, 1311590), (15995, 1262882), (18737, 1078070), (30802, 655795), (31990, 631441), (37474, 539035), (77005, 262318), (93685, 215614), (107807, 187370), (131159, 154010)]