20574972

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:301

約数の個数: 120

約数和(自身を含む): 61471872

約数和(自身を除く): 40896900

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 27, 33, 36, 44, 46, 54, 66, 69, 81, 92, 99, 108, 132, 138, 162, 198, 207, 251, 253, 276, 297, 324, 396, 414, 502, 506, 594, 621, 753, 759, 828, 891, 1004, 1012, 1188, 1242, 1506, 1518, 1782, 1863, 2259, 2277, 2484, 2761, 3012, 3036, 3564, 3726, 4518, 4554, 5522, 5773, 6777, 6831, 7452, 8283, 9036, 9108, 11044, 11546, 13554, 13662, 16566, 17319, 20331, 20493, 23092, 24849, 27108, 27324, 33132, 34638, 40662, 40986, 49698, 51957, 63503, 69276, 74547, 81324, 81972, 99396, 103914, 127006, 149094, 155871, 190509, 207828, 223641, 254012, 298188, 311742, 381018, 447282, 467613, 571527, 623484, 762036, 894564, 935226, 1143054, 1714581, 1870452, 2286108, 3429162, 5143743, 6858324, 10287486, 20574972]

約数ペア:

[(1, 20574972), (2, 10287486), (3, 6858324), (4, 5143743), (6, 3429162), (9, 2286108), (11, 1870452), (12, 1714581), (18, 1143054), (22, 935226), (23, 894564), (27, 762036), (33, 623484), (36, 571527), (44, 467613), (46, 447282), (54, 381018), (66, 311742), (69, 298188), (81, 254012), (92, 223641), (99, 207828), (108, 190509), (132, 155871), (138, 149094), (162, 127006), (198, 103914), (207, 99396), (251, 81972), (253, 81324), (276, 74547), (297, 69276), (324, 63503), (396, 51957), (414, 49698), (502, 40986), (506, 40662), (594, 34638), (621, 33132), (753, 27324), (759, 27108), (828, 24849), (891, 23092), (1004, 20493), (1012, 20331), (1188, 17319), (1242, 16566), (1506, 13662), (1518, 13554), (1782, 11546), (1863, 11044), (2259, 9108), (2277, 9036), (2484, 8283), (2761, 7452), (3012, 6831), (3036, 6777), (3564, 5773), (3726, 5522), (4518, 4554)]