20637789624

素因数分解:

$2^3\times 3^2\times {\mathrm{3529}}^1\times {\mathrm{81223}}^1$

素因数の和:84764

約数の個数: 48

約数和(自身を含む): 55910540400

約数和(自身を除く): 35272750776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 3529, 7058, 10587, 14116, 21174, 28232, 31761, 42348, 63522, 81223, 84696, 127044, 162446, 243669, 254088, 324892, 487338, 649784, 731007, 974676, 1462014, 1949352, 2924028, 5848056, 286635967, 573271934, 859907901, 1146543868, 1719815802, 2293087736, 2579723703, 3439631604, 5159447406, 6879263208, 10318894812, 20637789624]

約数ペア:

[(1, 20637789624), (2, 10318894812), (3, 6879263208), (4, 5159447406), (6, 3439631604), (8, 2579723703), (9, 2293087736), (12, 1719815802), (18, 1146543868), (24, 859907901), (36, 573271934), (72, 286635967), (3529, 5848056), (7058, 2924028), (10587, 1949352), (14116, 1462014), (21174, 974676), (28232, 731007), (31761, 649784), (42348, 487338), (63522, 324892), (81223, 254088), (84696, 243669), (127044, 162446)]