20038293

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:159

約数の個数: 64

約数和(自身を含む): 35251200

約数和(自身を除く): 15212907

約数列:

[1, 3, 9, 11, 19, 27, 33, 53, 57, 67, 99, 159, 171, 201, 209, 297, 477, 513, 583, 603, 627, 737, 1007, 1273, 1431, 1749, 1809, 1881, 2211, 3021, 3551, 3819, 5247, 5643, 6633, 9063, 10653, 11077, 11457, 14003, 15741, 19899, 27189, 31959, 33231, 34371, 39061, 42009, 67469, 95877, 99693, 117183, 126027, 202407, 299079, 351549, 378081, 607221, 742159, 1054647, 1821663, 2226477, 6679431, 20038293]

約数ペア:

[(1, 20038293), (3, 6679431), (9, 2226477), (11, 1821663), (19, 1054647), (27, 742159), (33, 607221), (53, 378081), (57, 351549), (67, 299079), (99, 202407), (159, 126027), (171, 117183), (201, 99693), (209, 95877), (297, 67469), (477, 42009), (513, 39061), (583, 34371), (603, 33231), (627, 31959), (737, 27189), (1007, 19899), (1273, 15741), (1431, 14003), (1749, 11457), (1809, 11077), (1881, 10653), (2211, 9063), (3021, 6633), (3551, 5643), (3819, 5247)]