20354568045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{536989}}^1$

素因数の和:537042

約数の個数: 48

約数和(自身を含む): 39281892480

約数和(自身を除く): 18927324435

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 361, 399, 665, 1083, 1805, 1995, 2527, 5415, 7581, 12635, 37905, 536989, 1610967, 2684945, 3758923, 8054835, 10202791, 11276769, 18794615, 30608373, 51013955, 56383845, 71419537, 153041865, 193853029, 214258611, 357097685, 581559087, 969265145, 1071293055, 1356971203, 2907795435, 4070913609, 6784856015, 20354568045]

約数ペア:

[(1, 20354568045), (3, 6784856015), (5, 4070913609), (7, 2907795435), (15, 1356971203), (19, 1071293055), (21, 969265145), (35, 581559087), (57, 357097685), (95, 214258611), (105, 193853029), (133, 153041865), (285, 71419537), (361, 56383845), (399, 51013955), (665, 30608373), (1083, 18794615), (1805, 11276769), (1995, 10202791), (2527, 8054835), (5415, 3758923), (7581, 2684945), (12635, 1610967), (37905, 536989)]