20123343280

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{5351953}}^1$

素因数の和:5352013

約数の個数: 40

約数和(自身を含む): 47782245312

約数和(自身を除く): 27658902032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 5351953, 10703906, 21407812, 26759765, 42815624, 53519530, 85631248, 107039060, 214078120, 251541791, 428156240, 503083582, 1006167164, 1257708955, 2012334328, 2515417910, 4024668656, 5030835820, 10061671640, 20123343280]

約数ペア:

[(1, 20123343280), (2, 10061671640), (4, 5030835820), (5, 4024668656), (8, 2515417910), (10, 2012334328), (16, 1257708955), (20, 1006167164), (40, 503083582), (47, 428156240), (80, 251541791), (94, 214078120), (188, 107039060), (235, 85631248), (376, 53519530), (470, 42815624), (752, 26759765), (940, 21407812), (1880, 10703906), (3760, 5351953)]