20031284

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{487}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 43615488

約数和(自身を除く): 23584204

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 113, 182, 226, 364, 452, 487, 791, 974, 1469, 1582, 1948, 2938, 3164, 3409, 5876, 6331, 6818, 10283, 12662, 13636, 20566, 25324, 41132, 44317, 55031, 88634, 110062, 177268, 220124, 385217, 715403, 770434, 1430806, 1540868, 2861612, 5007821, 10015642, 20031284]

約数ペア:

[(1, 20031284), (2, 10015642), (4, 5007821), (7, 2861612), (13, 1540868), (14, 1430806), (26, 770434), (28, 715403), (52, 385217), (91, 220124), (113, 177268), (182, 110062), (226, 88634), (364, 55031), (452, 44317), (487, 41132), (791, 25324), (974, 20566), (1469, 13636), (1582, 12662), (1948, 10283), (2938, 6818), (3164, 6331), (3409, 5876)]