20136475989

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{3989}}^1$

素因数の和:4344

約数の個数: 80

約数和(自身を含む): 35687836800

約数和(自身を除く): 15551360811

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 261, 307, 567, 609, 783, 921, 1827, 2149, 2349, 2763, 3989, 5481, 6447, 8289, 8903, 11967, 16443, 19341, 24867, 26709, 27923, 35901, 58023, 62321, 80127, 83769, 107703, 115681, 174069, 186963, 240381, 251307, 323109, 347043, 560889, 721143, 753921, 809767, 1041129, 1224623, 1682667, 2261763, 2429301, 3123387, 3673869, 5048001, 7287903, 8572361, 9370161, 11021607, 21863709, 25717083, 33064821, 35514067, 65591127, 77151249, 99194463, 106542201, 231453747, 248598469, 319626603, 694361241, 745795407, 958879809, 2237386221, 2876639427, 6712158663, 20136475989]

約数ペア:

[(1, 20136475989), (3, 6712158663), (7, 2876639427), (9, 2237386221), (21, 958879809), (27, 745795407), (29, 694361241), (63, 319626603), (81, 248598469), (87, 231453747), (189, 106542201), (203, 99194463), (261, 77151249), (307, 65591127), (567, 35514067), (609, 33064821), (783, 25717083), (921, 21863709), (1827, 11021607), (2149, 9370161), (2349, 8572361), (2763, 7287903), (3989, 5048001), (5481, 3673869), (6447, 3123387), (8289, 2429301), (8903, 2261763), (11967, 1682667), (16443, 1224623), (19341, 1041129), (24867, 809767), (26709, 753921), (27923, 721143), (35901, 560889), (58023, 347043), (62321, 323109), (80127, 251307), (83769, 240381), (107703, 186963), (115681, 174069)]