20005949678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{593}}^1\times {\mathrm{659}}^1$

素因数の和:1457

約数の個数: 64

約数和(自身を含む): 35565868800

約数和(自身を除く): 15559919122

約数列:

[1, 2, 11, 13, 22, 26, 143, 179, 286, 358, 593, 659, 1186, 1318, 1969, 2327, 3938, 4654, 6523, 7249, 7709, 8567, 13046, 14498, 15418, 17134, 25597, 51194, 84799, 94237, 106147, 117961, 169598, 188474, 212294, 235922, 390787, 781574, 1167617, 1297571, 1379911, 1533493, 2335234, 2595142, 2759822, 3066986, 4298657, 5080231, 8597314, 10160462, 15179021, 16868423, 30358042, 33736846, 55882541, 69950873, 111765082, 139901746, 769459603, 909361349, 1538919206, 1818722698, 10002974839, 20005949678]

約数ペア:

[(1, 20005949678), (2, 10002974839), (11, 1818722698), (13, 1538919206), (22, 909361349), (26, 769459603), (143, 139901746), (179, 111765082), (286, 69950873), (358, 55882541), (593, 33736846), (659, 30358042), (1186, 16868423), (1318, 15179021), (1969, 10160462), (2327, 8597314), (3938, 5080231), (4654, 4298657), (6523, 3066986), (7249, 2759822), (7709, 2595142), (8567, 2335234), (13046, 1533493), (14498, 1379911), (15418, 1297571), (17134, 1167617), (25597, 781574), (51194, 390787), (84799, 235922), (94237, 212294), (106147, 188474), (117961, 169598)]