20317968

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:253

約数の個数: 120

約数和(自身を含む): 63138816

約数和(自身を除く): 42820848

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 101, 127, 132, 144, 176, 198, 202, 254, 264, 303, 381, 396, 404, 508, 528, 606, 762, 792, 808, 909, 1016, 1111, 1143, 1212, 1397, 1524, 1584, 1616, 1818, 2032, 2222, 2286, 2424, 2794, 3048, 3333, 3636, 4191, 4444, 4572, 4848, 5588, 6096, 6666, 7272, 8382, 8888, 9144, 9999, 11176, 12573, 12827, 13332, 14544, 16764, 17776, 18288, 19998, 22352, 25146, 25654, 26664, 33528, 38481, 39996, 50292, 51308, 53328, 67056, 76962, 79992, 100584, 102616, 115443, 141097, 153924, 159984, 201168, 205232, 230886, 282194, 307848, 423291, 461772, 564388, 615696, 846582, 923544, 1128776, 1269873, 1693164, 1847088, 2257552, 2539746, 3386328, 5079492, 6772656, 10158984, 20317968]

約数ペア:

[(1, 20317968), (2, 10158984), (3, 6772656), (4, 5079492), (6, 3386328), (8, 2539746), (9, 2257552), (11, 1847088), (12, 1693164), (16, 1269873), (18, 1128776), (22, 923544), (24, 846582), (33, 615696), (36, 564388), (44, 461772), (48, 423291), (66, 307848), (72, 282194), (88, 230886), (99, 205232), (101, 201168), (127, 159984), (132, 153924), (144, 141097), (176, 115443), (198, 102616), (202, 100584), (254, 79992), (264, 76962), (303, 67056), (381, 53328), (396, 51308), (404, 50292), (508, 39996), (528, 38481), (606, 33528), (762, 26664), (792, 25654), (808, 25146), (909, 22352), (1016, 19998), (1111, 18288), (1143, 17776), (1212, 16764), (1397, 14544), (1524, 13332), (1584, 12827), (1616, 12573), (1818, 11176), (2032, 9999), (2222, 9144), (2286, 8888), (2424, 8382), (2794, 7272), (3048, 6666), (3333, 6096), (3636, 5588), (4191, 4848), (4444, 4572)]