20043423

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 31680000

約数和(自身を除く): 11636577

約数列:

[1, 3, 9, 19, 27, 57, 89, 171, 267, 439, 513, 801, 1317, 1691, 2403, 3951, 5073, 8341, 11853, 15219, 25023, 39071, 45657, 75069, 117213, 225207, 351639, 742349, 1054917, 2227047, 6681141, 20043423]

約数ペア:

[(1, 20043423), (3, 6681141), (9, 2227047), (19, 1054917), (27, 742349), (57, 351639), (89, 225207), (171, 117213), (267, 75069), (439, 45657), (513, 39071), (801, 25023), (1317, 15219), (1691, 11853), (2403, 8341), (3951, 5073)]