20123021439

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{311}}^1\times {\mathrm{1433}}^1$

素因数の和:1952

約数の個数: 48

約数和(自身を含む): 30361106880

約数和(自身を除く): 10238085441

約数列:

[1, 3, 9, 29, 87, 173, 261, 311, 519, 933, 1433, 1557, 2799, 4299, 5017, 9019, 12897, 15051, 27057, 41557, 45153, 53803, 81171, 124671, 161409, 247909, 374013, 445663, 484227, 743727, 1336989, 1560287, 2231181, 4010967, 4680861, 7189361, 12924227, 14042583, 21568083, 38772681, 64704249, 77099699, 116318043, 231299097, 693897291, 2235891271, 6707673813, 20123021439]

約数ペア:

[(1, 20123021439), (3, 6707673813), (9, 2235891271), (29, 693897291), (87, 231299097), (173, 116318043), (261, 77099699), (311, 64704249), (519, 38772681), (933, 21568083), (1433, 14042583), (1557, 12924227), (2799, 7189361), (4299, 4680861), (5017, 4010967), (9019, 2231181), (12897, 1560287), (15051, 1336989), (27057, 743727), (41557, 484227), (45153, 445663), (53803, 374013), (81171, 247909), (124671, 161409)]