20012060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{829}}^1$

素因数の和:926

約数の個数: 48

約数和(自身を含む): 45178560

約数和(自身を除く): 25166500

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 340, 355, 710, 829, 1207, 1420, 1658, 2414, 3316, 4145, 4828, 6035, 8290, 12070, 14093, 16580, 24140, 28186, 56372, 58859, 70465, 117718, 140930, 235436, 281860, 294295, 588590, 1000603, 1177180, 2001206, 4002412, 5003015, 10006030, 20012060]

約数ペア:

[(1, 20012060), (2, 10006030), (4, 5003015), (5, 4002412), (10, 2001206), (17, 1177180), (20, 1000603), (34, 588590), (68, 294295), (71, 281860), (85, 235436), (142, 140930), (170, 117718), (284, 70465), (340, 58859), (355, 56372), (710, 28186), (829, 24140), (1207, 16580), (1420, 14093), (1658, 12070), (2414, 8290), (3316, 6035), (4145, 4828)]