20100708304

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{839}}^1\times {\mathrm{78809}}^1$

素因数の和:79675

約数の個数: 40

約数和(自身を含む): 41044248000

約数和(自身を除く): 20943539696

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 839, 1678, 3356, 6712, 13424, 15941, 31882, 63764, 78809, 127528, 157618, 255056, 315236, 630472, 1260944, 1497371, 2994742, 5989484, 11978968, 23957936, 66120751, 132241502, 264483004, 528966008, 1057932016, 1256294269, 2512588538, 5025177076, 10050354152, 20100708304]

約数ペア:

[(1, 20100708304), (2, 10050354152), (4, 5025177076), (8, 2512588538), (16, 1256294269), (19, 1057932016), (38, 528966008), (76, 264483004), (152, 132241502), (304, 66120751), (839, 23957936), (1678, 11978968), (3356, 5989484), (6712, 2994742), (13424, 1497371), (15941, 1260944), (31882, 630472), (63764, 315236), (78809, 255056), (127528, 157618)]