20199887220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{204163}}^1$

素因数の和:204289

約数の個数: 96

約数和(自身を含む): 60504409728

約数和(自身を除く): 40304522508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 97, 102, 170, 194, 204, 255, 291, 340, 388, 485, 510, 582, 970, 1020, 1164, 1455, 1649, 1940, 2910, 3298, 4947, 5820, 6596, 8245, 9894, 16490, 19788, 24735, 32980, 49470, 98940, 204163, 408326, 612489, 816652, 1020815, 1224978, 2041630, 2449956, 3062445, 3470771, 4083260, 6124890, 6941542, 10412313, 12249780, 13883084, 17353855, 19803811, 20824626, 34707710, 39607622, 41649252, 52061565, 59411433, 69415420, 79215244, 99019055, 104123130, 118822866, 198038110, 208246260, 237645732, 297057165, 336664787, 396076220, 594114330, 673329574, 1009994361, 1188228660, 1346659148, 1683323935, 2019988722, 3366647870, 4039977444, 5049971805, 6733295740, 10099943610, 20199887220]

約数ペア:

[(1, 20199887220), (2, 10099943610), (3, 6733295740), (4, 5049971805), (5, 4039977444), (6, 3366647870), (10, 2019988722), (12, 1683323935), (15, 1346659148), (17, 1188228660), (20, 1009994361), (30, 673329574), (34, 594114330), (51, 396076220), (60, 336664787), (68, 297057165), (85, 237645732), (97, 208246260), (102, 198038110), (170, 118822866), (194, 104123130), (204, 99019055), (255, 79215244), (291, 69415420), (340, 59411433), (388, 52061565), (485, 41649252), (510, 39607622), (582, 34707710), (970, 20824626), (1020, 19803811), (1164, 17353855), (1455, 13883084), (1649, 12249780), (1940, 10412313), (2910, 6941542), (3298, 6124890), (4947, 4083260), (5820, 3470771), (6596, 3062445), (8245, 2449956), (9894, 2041630), (16490, 1224978), (19788, 1020815), (24735, 816652), (32980, 612489), (49470, 408326), (98940, 204163)]