20657876144

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1059161}}^1$

素因数の和:1059245

約数の個数: 40

約数和(自身を含む): 42552892512

約数和(自身を除く): 21895016368

約数列:

[1, 2, 4, 8, 16, 23, 46, 53, 92, 106, 184, 212, 368, 424, 848, 1219, 2438, 4876, 9752, 19504, 1059161, 2118322, 4236644, 8473288, 16946576, 24360703, 48721406, 56135533, 97442812, 112271066, 194885624, 224542132, 389771248, 449084264, 898168528, 1291117259, 2582234518, 5164469036, 10328938072, 20657876144]

約数ペア:

[(1, 20657876144), (2, 10328938072), (4, 5164469036), (8, 2582234518), (16, 1291117259), (23, 898168528), (46, 449084264), (53, 389771248), (92, 224542132), (106, 194885624), (184, 112271066), (212, 97442812), (368, 56135533), (424, 48721406), (848, 24360703), (1219, 16946576), (2438, 8473288), (4876, 4236644), (9752, 2118322), (19504, 1059161)]