20545096

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17959}}^1$

素因数の和:17989

約数の個数: 32

約数和(自身を含む): 45259200

約数和(自身を除く): 24714104

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17959, 35918, 71836, 143672, 197549, 233467, 395098, 466934, 790196, 933868, 1580392, 1867736, 2568137, 5136274, 10272548, 20545096]

約数ペア:

[(1, 20545096), (2, 10272548), (4, 5136274), (8, 2568137), (11, 1867736), (13, 1580392), (22, 933868), (26, 790196), (44, 466934), (52, 395098), (88, 233467), (104, 197549), (143, 143672), (286, 71836), (572, 35918), (1144, 17959)]