20512543678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{479}}^1\times {\mathrm{1933}}^1$

素因数の和:2497

約数の個数: 64

約数和(自身を含む): 36093081600

約数和(自身を除く): 15580537922

約数列:

[1, 2, 11, 19, 22, 38, 53, 106, 209, 418, 479, 583, 958, 1007, 1166, 1933, 2014, 3866, 5269, 9101, 10538, 11077, 18202, 21263, 22154, 25387, 36727, 42526, 50774, 73454, 100111, 102449, 200222, 204898, 279257, 403997, 482353, 558514, 807994, 925907, 964706, 1126939, 1851814, 1946531, 2253878, 3893062, 5305883, 10184977, 10611766, 17592233, 20369954, 21411841, 35184466, 42823682, 49073071, 98146142, 193514563, 387029126, 539803781, 932388349, 1079607562, 1864776698, 10256271839, 20512543678]

約数ペア:

[(1, 20512543678), (2, 10256271839), (11, 1864776698), (19, 1079607562), (22, 932388349), (38, 539803781), (53, 387029126), (106, 193514563), (209, 98146142), (418, 49073071), (479, 42823682), (583, 35184466), (958, 21411841), (1007, 20369954), (1166, 17592233), (1933, 10611766), (2014, 10184977), (3866, 5305883), (5269, 3893062), (9101, 2253878), (10538, 1946531), (11077, 1851814), (18202, 1126939), (21263, 964706), (22154, 925907), (25387, 807994), (36727, 558514), (42526, 482353), (50774, 403997), (73454, 279257), (100111, 204898), (102449, 200222)]