20404889469

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{4339}}^1$

素因数の和:4559

約数の個数: 64

約数和(自身を含む): 32497920000

約数和(自身を除く): 12093030531

約数列:

[1, 3, 9, 19, 27, 57, 89, 103, 171, 267, 309, 513, 801, 927, 1691, 1957, 2403, 2781, 4339, 5073, 5871, 9167, 13017, 15219, 17613, 27501, 39051, 45657, 52839, 82441, 82503, 117153, 174173, 247323, 247509, 386171, 446917, 522519, 741969, 1158513, 1340751, 1567557, 2225907, 3475539, 4022253, 4702671, 7337249, 8491423, 10426617, 12066759, 22011747, 25474269, 39775613, 66035241, 76422807, 119326839, 198105723, 229268421, 357980517, 755736647, 1073941551, 2267209941, 6801629823, 20404889469]

約数ペア:

[(1, 20404889469), (3, 6801629823), (9, 2267209941), (19, 1073941551), (27, 755736647), (57, 357980517), (89, 229268421), (103, 198105723), (171, 119326839), (267, 76422807), (309, 66035241), (513, 39775613), (801, 25474269), (927, 22011747), (1691, 12066759), (1957, 10426617), (2403, 8491423), (2781, 7337249), (4339, 4702671), (5073, 4022253), (5871, 3475539), (9167, 2225907), (13017, 1567557), (15219, 1340751), (17613, 1158513), (27501, 741969), (39051, 522519), (45657, 446917), (52839, 386171), (82441, 247509), (82503, 247323), (117153, 174173)]