20199383020

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{617}}^1\times {\mathrm{12889}}^1$

素因数の和:13642

約数の個数: 48

約数和(自身を含む): 42825323520

約数和(自身を除く): 22625940500

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 617, 635, 1234, 1270, 2468, 2540, 3085, 6170, 12340, 12889, 25778, 51556, 64445, 78359, 128890, 156718, 257780, 313436, 391795, 783590, 1567180, 1636903, 3273806, 6547612, 7952513, 8184515, 15905026, 16369030, 31810052, 32738060, 39762565, 79525130, 159050260, 1009969151, 2019938302, 4039876604, 5049845755, 10099691510, 20199383020]

約数ペア:

[(1, 20199383020), (2, 10099691510), (4, 5049845755), (5, 4039876604), (10, 2019938302), (20, 1009969151), (127, 159050260), (254, 79525130), (508, 39762565), (617, 32738060), (635, 31810052), (1234, 16369030), (1270, 15905026), (2468, 8184515), (2540, 7952513), (3085, 6547612), (6170, 3273806), (12340, 1636903), (12889, 1567180), (25778, 783590), (51556, 391795), (64445, 313436), (78359, 257780), (128890, 156718)]