20074887

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 36075520

約数和(自身を除く): 16000633

約数列:

[1, 3, 7, 9, 19, 21, 31, 57, 63, 93, 133, 171, 217, 279, 399, 541, 589, 651, 1197, 1623, 1767, 1953, 3787, 4123, 4869, 5301, 10279, 11361, 12369, 16771, 30837, 34083, 37107, 50313, 71953, 92511, 117397, 150939, 215859, 318649, 352191, 647577, 955947, 1056573, 2230543, 2867841, 6691629, 20074887]

約数ペア:

[(1, 20074887), (3, 6691629), (7, 2867841), (9, 2230543), (19, 1056573), (21, 955947), (31, 647577), (57, 352191), (63, 318649), (93, 215859), (133, 150939), (171, 117397), (217, 92511), (279, 71953), (399, 50313), (541, 37107), (589, 34083), (651, 30837), (1197, 16771), (1623, 12369), (1767, 11361), (1953, 10279), (3787, 5301), (4123, 4869)]