20162787381

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{383549}}^1$

素因数の和:383631

約数の個数: 40

約数和(自身を含む): 33414876000

約数和(自身を除く): 13252088619

約数列:

[1, 3, 9, 11, 27, 33, 59, 81, 99, 177, 297, 531, 649, 891, 1593, 1947, 4779, 5841, 17523, 52569, 383549, 1150647, 3451941, 4219039, 10355823, 12657117, 22629391, 31067469, 37971351, 67888173, 113914053, 203664519, 248923301, 341742159, 610993557, 746769903, 1832980671, 2240309709, 6720929127, 20162787381]

約数ペア:

[(1, 20162787381), (3, 6720929127), (9, 2240309709), (11, 1832980671), (27, 746769903), (33, 610993557), (59, 341742159), (81, 248923301), (99, 203664519), (177, 113914053), (297, 67888173), (531, 37971351), (649, 31067469), (891, 22629391), (1593, 12657117), (1947, 10355823), (4779, 4219039), (5841, 3451941), (17523, 1150647), (52569, 383549)]