20541488

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{919}}^1$

素因数の和:1065

約数の個数: 40

約数和(自身を含む): 43806720

約数和(自身を除く): 23265232

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 127, 176, 254, 508, 919, 1016, 1397, 1838, 2032, 2794, 3676, 5588, 7352, 10109, 11176, 14704, 20218, 22352, 40436, 80872, 116713, 161744, 233426, 466852, 933704, 1283843, 1867408, 2567686, 5135372, 10270744, 20541488]

約数ペア:

[(1, 20541488), (2, 10270744), (4, 5135372), (8, 2567686), (11, 1867408), (16, 1283843), (22, 933704), (44, 466852), (88, 233426), (127, 161744), (176, 116713), (254, 80872), (508, 40436), (919, 22352), (1016, 20218), (1397, 14704), (1838, 11176), (2032, 10109), (2794, 7352), (3676, 5588)]