20824273448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{655511}}^1$

素因数の和:655566

約数の個数: 48

約数和(自身を含む): 44955012960

約数和(自身を除く): 24130739512

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 361, 418, 722, 836, 1444, 1672, 2888, 3971, 7942, 15884, 31768, 655511, 1311022, 2622044, 5244088, 7210621, 12454709, 14421242, 24909418, 28842484, 49818836, 57684968, 99637672, 137001799, 236639471, 274003598, 473278942, 548007196, 946557884, 1096014392, 1893115768, 2603034181, 5206068362, 10412136724, 20824273448]

約数ペア:

[(1, 20824273448), (2, 10412136724), (4, 5206068362), (8, 2603034181), (11, 1893115768), (19, 1096014392), (22, 946557884), (38, 548007196), (44, 473278942), (76, 274003598), (88, 236639471), (152, 137001799), (209, 99637672), (361, 57684968), (418, 49818836), (722, 28842484), (836, 24909418), (1444, 14421242), (1672, 12454709), (2888, 7210621), (3971, 5244088), (7942, 2622044), (15884, 1311022), (31768, 655511)]