20571054

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{613}}^1$

素因数の和:689

約数の個数: 64

約数和(自身を含む): 50927616

約数和(自身を除く): 30356562

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 47, 51, 94, 102, 119, 141, 238, 282, 329, 357, 613, 658, 714, 799, 987, 1226, 1598, 1839, 1974, 2397, 3678, 4291, 4794, 5593, 8582, 10421, 11186, 12873, 16779, 20842, 25746, 28811, 31263, 33558, 57622, 62526, 72947, 86433, 145894, 172866, 201677, 218841, 403354, 437682, 489787, 605031, 979574, 1210062, 1469361, 2938722, 3428509, 6857018, 10285527, 20571054]

約数ペア:

[(1, 20571054), (2, 10285527), (3, 6857018), (6, 3428509), (7, 2938722), (14, 1469361), (17, 1210062), (21, 979574), (34, 605031), (42, 489787), (47, 437682), (51, 403354), (94, 218841), (102, 201677), (119, 172866), (141, 145894), (238, 86433), (282, 72947), (329, 62526), (357, 57622), (613, 33558), (658, 31263), (714, 28811), (799, 25746), (987, 20842), (1226, 16779), (1598, 12873), (1839, 11186), (1974, 10421), (2397, 8582), (3678, 5593), (4291, 4794)]