20199018164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{797}}^1\times {\mathrm{487381}}^1$

素因数の和:488195

約数の個数: 24

約数和(自身を含む): 38115221928

約数和(自身を除く): 17916203764

約数列:

[1, 2, 4, 13, 26, 52, 797, 1594, 3188, 10361, 20722, 41444, 487381, 974762, 1949524, 6335953, 12671906, 25343812, 388442657, 776885314, 1553770628, 5049754541, 10099509082, 20199018164]

約数ペア:

[(1, 20199018164), (2, 10099509082), (4, 5049754541), (13, 1553770628), (26, 776885314), (52, 388442657), (797, 25343812), (1594, 12671906), (3188, 6335953), (10361, 1949524), (20722, 974762), (41444, 487381)]