20059914

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 72

約数和(自身を含む): 48903264

約数和(自身を除く): 28843350

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 49, 62, 71, 93, 98, 142, 147, 186, 213, 217, 294, 426, 434, 497, 651, 961, 994, 1302, 1491, 1519, 1922, 2201, 2883, 2982, 3038, 3479, 4402, 4557, 5766, 6603, 6727, 6958, 9114, 10437, 13206, 13454, 15407, 20181, 20874, 30814, 40362, 46221, 47089, 68231, 92442, 94178, 107849, 136462, 141267, 204693, 215698, 282534, 323547, 409386, 477617, 647094, 955234, 1432851, 2865702, 3343319, 6686638, 10029957, 20059914]

約数ペア:

[(1, 20059914), (2, 10029957), (3, 6686638), (6, 3343319), (7, 2865702), (14, 1432851), (21, 955234), (31, 647094), (42, 477617), (49, 409386), (62, 323547), (71, 282534), (93, 215698), (98, 204693), (142, 141267), (147, 136462), (186, 107849), (213, 94178), (217, 92442), (294, 68231), (426, 47089), (434, 46221), (497, 40362), (651, 30814), (961, 20874), (994, 20181), (1302, 15407), (1491, 13454), (1519, 13206), (1922, 10437), (2201, 9114), (2883, 6958), (2982, 6727), (3038, 6603), (3479, 5766), (4402, 4557)]