20424525

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1303}}^1$

素因数の和:1346

約数の個数: 48

約数和(自身を含む): 38807040

約数和(自身を除く): 18382515

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 165, 209, 275, 285, 475, 627, 825, 1045, 1303, 1425, 3135, 3909, 5225, 6515, 14333, 15675, 19545, 24757, 32575, 42999, 71665, 74271, 97725, 123785, 214995, 272327, 358325, 371355, 618925, 816981, 1074975, 1361635, 1856775, 4084905, 6808175, 20424525]

約数ペア:

[(1, 20424525), (3, 6808175), (5, 4084905), (11, 1856775), (15, 1361635), (19, 1074975), (25, 816981), (33, 618925), (55, 371355), (57, 358325), (75, 272327), (95, 214995), (165, 123785), (209, 97725), (275, 74271), (285, 71665), (475, 42999), (627, 32575), (825, 24757), (1045, 19545), (1303, 15675), (1425, 14333), (3135, 6515), (3909, 5225)]