20807557419

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{8819}}^1$

素因数の和:8976

約数の個数: 64

約数和(自身を含む): 32920473600

約数和(自身を除く): 12112916181

約数列:

[1, 3, 11, 19, 33, 53, 57, 71, 159, 209, 213, 583, 627, 781, 1007, 1349, 1749, 2343, 3021, 3763, 4047, 8819, 11077, 11289, 14839, 26457, 33231, 41393, 44517, 71497, 97009, 124179, 167561, 214491, 291027, 467407, 502683, 626149, 786467, 1402221, 1843171, 1878447, 2359401, 5141477, 5529513, 6887639, 8880733, 11896831, 15424431, 20662917, 26642199, 33185897, 35690493, 97688063, 99557691, 130865141, 293064189, 365044867, 392595423, 630532043, 1095134601, 1891596129, 6935852473, 20807557419]

約数ペア:

[(1, 20807557419), (3, 6935852473), (11, 1891596129), (19, 1095134601), (33, 630532043), (53, 392595423), (57, 365044867), (71, 293064189), (159, 130865141), (209, 99557691), (213, 97688063), (583, 35690493), (627, 33185897), (781, 26642199), (1007, 20662917), (1349, 15424431), (1749, 11896831), (2343, 8880733), (3021, 6887639), (3763, 5529513), (4047, 5141477), (8819, 2359401), (11077, 1878447), (11289, 1843171), (14839, 1402221), (26457, 786467), (33231, 626149), (41393, 502683), (44517, 467407), (71497, 291027), (97009, 214491), (124179, 167561)]