20173804640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{113489}}^1$

素因数の和:113616

約数の個数: 96

約数和(自身を含む): 52508645280

約数和(自身を除く): 32334840640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 101, 110, 160, 176, 202, 220, 352, 404, 440, 505, 808, 880, 1010, 1111, 1616, 1760, 2020, 2222, 3232, 4040, 4444, 5555, 8080, 8888, 11110, 16160, 17776, 22220, 35552, 44440, 88880, 113489, 177760, 226978, 453956, 567445, 907912, 1134890, 1248379, 1815824, 2269780, 2496758, 3631648, 4539560, 4993516, 6241895, 9079120, 9987032, 11462389, 12483790, 18158240, 19974064, 22924778, 24967580, 39948128, 45849556, 49935160, 57311945, 91699112, 99870320, 114623890, 126086279, 183398224, 199740640, 229247780, 252172558, 366796448, 458495560, 504345116, 630431395, 916991120, 1008690232, 1260862790, 1833982240, 2017380464, 2521725580, 4034760928, 5043451160, 10086902320, 20173804640]

約数ペア:

[(1, 20173804640), (2, 10086902320), (4, 5043451160), (5, 4034760928), (8, 2521725580), (10, 2017380464), (11, 1833982240), (16, 1260862790), (20, 1008690232), (22, 916991120), (32, 630431395), (40, 504345116), (44, 458495560), (55, 366796448), (80, 252172558), (88, 229247780), (101, 199740640), (110, 183398224), (160, 126086279), (176, 114623890), (202, 99870320), (220, 91699112), (352, 57311945), (404, 49935160), (440, 45849556), (505, 39948128), (808, 24967580), (880, 22924778), (1010, 19974064), (1111, 18158240), (1616, 12483790), (1760, 11462389), (2020, 9987032), (2222, 9079120), (3232, 6241895), (4040, 4993516), (4444, 4539560), (5555, 3631648), (8080, 2496758), (8888, 2269780), (11110, 1815824), (16160, 1248379), (17776, 1134890), (22220, 907912), (35552, 567445), (44440, 453956), (88880, 226978), (113489, 177760)]