20036720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22769}}^1$

素因数の和:22793

約数の個数: 40

約数和(自身を含む): 50822640

約数和(自身を除く): 30785920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22769, 45538, 91076, 113845, 182152, 227690, 250459, 364304, 455380, 500918, 910760, 1001836, 1252295, 1821520, 2003672, 2504590, 4007344, 5009180, 10018360, 20036720]

約数ペア:

[(1, 20036720), (2, 10018360), (4, 5009180), (5, 4007344), (8, 2504590), (10, 2003672), (11, 1821520), (16, 1252295), (20, 1001836), (22, 910760), (40, 500918), (44, 455380), (55, 364304), (80, 250459), (88, 227690), (110, 182152), (176, 113845), (220, 91076), (440, 45538), (880, 22769)]