20781617670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20991533}}^1$

素因数の和:20991557

約数の個数: 48

約数和(自身を含む): 58944227472

約数和(自身を除く): 38162609802

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 20991533, 41983066, 62974599, 104957665, 125949198, 188923797, 209915330, 230906863, 314872995, 377847594, 461813726, 629745990, 692720589, 944618985, 1154534315, 1385441178, 1889237970, 2078161767, 2309068630, 3463602945, 4156323534, 6927205890, 10390808835, 20781617670]

約数ペア:

[(1, 20781617670), (2, 10390808835), (3, 6927205890), (5, 4156323534), (6, 3463602945), (9, 2309068630), (10, 2078161767), (11, 1889237970), (15, 1385441178), (18, 1154534315), (22, 944618985), (30, 692720589), (33, 629745990), (45, 461813726), (55, 377847594), (66, 314872995), (90, 230906863), (99, 209915330), (110, 188923797), (165, 125949198), (198, 104957665), (330, 62974599), (495, 41983066), (990, 20991533)]