20396880092

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1811}}^1\times {\mathrm{1861}}^1$

素因数の和:3782

約数の個数: 48

約数和(自身を含む): 38260524960

約数和(自身を除く): 17863644868

約数列:

[1, 2, 4, 17, 34, 68, 89, 178, 356, 1513, 1811, 1861, 3026, 3622, 3722, 6052, 7244, 7444, 30787, 31637, 61574, 63274, 123148, 126548, 161179, 165629, 322358, 331258, 644716, 662516, 2740043, 2815693, 3370271, 5480086, 5631386, 6740542, 10960172, 11262772, 13481084, 57294607, 114589214, 229178428, 299954119, 599908238, 1199816476, 5099220023, 10198440046, 20396880092]

約数ペア:

[(1, 20396880092), (2, 10198440046), (4, 5099220023), (17, 1199816476), (34, 599908238), (68, 299954119), (89, 229178428), (178, 114589214), (356, 57294607), (1513, 13481084), (1811, 11262772), (1861, 10960172), (3026, 6740542), (3622, 5631386), (3722, 5480086), (6052, 3370271), (7244, 2815693), (7444, 2740043), (30787, 662516), (31637, 644716), (61574, 331258), (63274, 322358), (123148, 165629), (126548, 161179)]