12865020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{30631}}^1$

素因数の和:30650

約数の個数: 48

約数和(自身を含む): 41169408

約数和(自身を除く): 28304388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 30631, 61262, 91893, 122524, 153155, 183786, 214417, 306310, 367572, 428834, 459465, 612620, 643251, 857668, 918930, 1072085, 1286502, 1837860, 2144170, 2573004, 3216255, 4288340, 6432510, 12865020]

約数ペア:

[(1, 12865020), (2, 6432510), (3, 4288340), (4, 3216255), (5, 2573004), (6, 2144170), (7, 1837860), (10, 1286502), (12, 1072085), (14, 918930), (15, 857668), (20, 643251), (21, 612620), (28, 459465), (30, 428834), (35, 367572), (42, 306310), (60, 214417), (70, 183786), (84, 153155), (105, 122524), (140, 91893), (210, 61262), (420, 30631)]