20180112669

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{59699}}^1$

素因数の和:59822

約数の個数: 36

約数和(自身を含む): 30901197600

約数和(自身を除く): 10721084931

約数列:

[1, 3, 9, 23, 69, 71, 207, 213, 529, 639, 1587, 1633, 4761, 4899, 14697, 37559, 59699, 112677, 179097, 338031, 537291, 1373077, 4119231, 4238629, 12357693, 12715887, 31580771, 38147661, 94742313, 97488467, 284226939, 292465401, 877396203, 2242234741, 6726704223, 20180112669]

約数ペア:

[(1, 20180112669), (3, 6726704223), (9, 2242234741), (23, 877396203), (69, 292465401), (71, 284226939), (207, 97488467), (213, 94742313), (529, 38147661), (639, 31580771), (1587, 12715887), (1633, 12357693), (4761, 4238629), (4899, 4119231), (14697, 1373077), (37559, 537291), (59699, 338031), (112677, 179097)]