20659020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:455

約数の個数: 96

約数和(自身を含む): 61931520

約数和(自身を除く): 41272500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 31, 58, 60, 62, 87, 93, 116, 124, 145, 155, 174, 186, 290, 310, 348, 372, 383, 435, 465, 580, 620, 766, 870, 899, 930, 1149, 1532, 1740, 1798, 1860, 1915, 2298, 2697, 3596, 3830, 4495, 4596, 5394, 5745, 7660, 8990, 10788, 11107, 11490, 11873, 13485, 17980, 22214, 22980, 23746, 26970, 33321, 35619, 44428, 47492, 53940, 55535, 59365, 66642, 71238, 111070, 118730, 133284, 142476, 166605, 178095, 222140, 237460, 333210, 344317, 356190, 666420, 688634, 712380, 1032951, 1377268, 1721585, 2065902, 3443170, 4131804, 5164755, 6886340, 10329510, 20659020]

約数ペア:

[(1, 20659020), (2, 10329510), (3, 6886340), (4, 5164755), (5, 4131804), (6, 3443170), (10, 2065902), (12, 1721585), (15, 1377268), (20, 1032951), (29, 712380), (30, 688634), (31, 666420), (58, 356190), (60, 344317), (62, 333210), (87, 237460), (93, 222140), (116, 178095), (124, 166605), (145, 142476), (155, 133284), (174, 118730), (186, 111070), (290, 71238), (310, 66642), (348, 59365), (372, 55535), (383, 53940), (435, 47492), (465, 44428), (580, 35619), (620, 33321), (766, 26970), (870, 23746), (899, 22980), (930, 22214), (1149, 17980), (1532, 13485), (1740, 11873), (1798, 11490), (1860, 11107), (1915, 10788), (2298, 8990), (2697, 7660), (3596, 5745), (3830, 5394), (4495, 4596)]