20807598245

素因数分解:

$5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1669}}^1\times {\mathrm{3329}}^1$

素因数の和:5117

約数の個数: 32

約数和(自身を含む): 28828742400

約数和(自身を除く): 8021144155

約数列:

[1, 5, 7, 35, 107, 535, 749, 1669, 3329, 3745, 8345, 11683, 16645, 23303, 58415, 116515, 178583, 356203, 892915, 1250081, 1781015, 2493421, 5556101, 6250405, 12467105, 27780505, 38892707, 194463535, 594502807, 2972514035, 4161519649, 20807598245]

約数ペア:

[(1, 20807598245), (5, 4161519649), (7, 2972514035), (35, 594502807), (107, 194463535), (535, 38892707), (749, 27780505), (1669, 12467105), (3329, 6250405), (3745, 5556101), (8345, 2493421), (11683, 1781015), (16645, 1250081), (23303, 892915), (58415, 356203), (116515, 178583)]