20173312796

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{490453}}^1$

素因数の和:490590

約数の個数: 48

約数和(自身を含む): 43834816704

約数和(自身を除く): 23661503908

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 113, 182, 226, 364, 452, 791, 1469, 1582, 2938, 3164, 5876, 10283, 20566, 41132, 490453, 980906, 1961812, 3433171, 6375889, 6866342, 12751778, 13732684, 25503556, 44631223, 55421189, 89262446, 110842378, 178524892, 221684756, 387948323, 720475457, 775896646, 1440950914, 1551793292, 2881901828, 5043328199, 10086656398, 20173312796]

約数ペア:

[(1, 20173312796), (2, 10086656398), (4, 5043328199), (7, 2881901828), (13, 1551793292), (14, 1440950914), (26, 775896646), (28, 720475457), (52, 387948323), (91, 221684756), (113, 178524892), (182, 110842378), (226, 89262446), (364, 55421189), (452, 44631223), (791, 25503556), (1469, 13732684), (1582, 12751778), (2938, 6866342), (3164, 6375889), (5876, 3433171), (10283, 1961812), (20566, 980906), (41132, 490453)]