20218242

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{701}}^1$

素因数の和:759

約数の個数: 64

約数和(自身を含む): 48522240

約数和(自身を除く): 28303998

約数列:

[1, 2, 3, 6, 11, 19, 22, 23, 33, 38, 46, 57, 66, 69, 114, 138, 209, 253, 418, 437, 506, 627, 701, 759, 874, 1254, 1311, 1402, 1518, 2103, 2622, 4206, 4807, 7711, 9614, 13319, 14421, 15422, 16123, 23133, 26638, 28842, 32246, 39957, 46266, 48369, 79914, 96738, 146509, 177353, 293018, 306337, 354706, 439527, 532059, 612674, 879054, 919011, 1064118, 1838022, 3369707, 6739414, 10109121, 20218242]

約数ペア:

[(1, 20218242), (2, 10109121), (3, 6739414), (6, 3369707), (11, 1838022), (19, 1064118), (22, 919011), (23, 879054), (33, 612674), (38, 532059), (46, 439527), (57, 354706), (66, 306337), (69, 293018), (114, 177353), (138, 146509), (209, 96738), (253, 79914), (418, 48369), (437, 46266), (506, 39957), (627, 32246), (701, 28842), (759, 26638), (874, 23133), (1254, 16123), (1311, 15422), (1402, 14421), (1518, 13319), (2103, 9614), (2622, 7711), (4206, 4807)]