20280483

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{439}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 31680000

約数和(自身を除く): 11399517

約数列:

[1, 3, 9, 27, 29, 59, 87, 177, 261, 439, 531, 783, 1317, 1593, 1711, 3951, 5133, 11853, 12731, 15399, 25901, 38193, 46197, 77703, 114579, 233109, 343737, 699327, 751129, 2253387, 6760161, 20280483]

約数ペア:

[(1, 20280483), (3, 6760161), (9, 2253387), (27, 751129), (29, 699327), (59, 343737), (87, 233109), (177, 114579), (261, 77703), (439, 46197), (531, 38193), (783, 25901), (1317, 15399), (1593, 12731), (1711, 11853), (3951, 5133)]