20131119267

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{6389}}^1$

素因数の和:6620

約数の個数: 64

約数和(自身を含む): 33125760000

約数和(自身を除く): 12994640733

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 149, 159, 371, 399, 447, 1007, 1043, 1113, 2831, 3021, 3129, 6389, 7049, 7897, 8493, 19167, 19817, 21147, 23691, 44723, 55279, 59451, 121391, 134169, 150043, 165837, 338617, 364173, 450129, 849737, 951961, 1015851, 1050301, 2370319, 2549211, 2855883, 3150903, 6433723, 6663727, 7110957, 18087259, 19301169, 19991181, 45036061, 50453933, 54261777, 126610813, 135108183, 151361799, 353177531, 379832439, 958624727, 1059532593, 2875874181, 6710373089, 20131119267]

約数ペア:

[(1, 20131119267), (3, 6710373089), (7, 2875874181), (19, 1059532593), (21, 958624727), (53, 379832439), (57, 353177531), (133, 151361799), (149, 135108183), (159, 126610813), (371, 54261777), (399, 50453933), (447, 45036061), (1007, 19991181), (1043, 19301169), (1113, 18087259), (2831, 7110957), (3021, 6663727), (3129, 6433723), (6389, 3150903), (7049, 2855883), (7897, 2549211), (8493, 2370319), (19167, 1050301), (19817, 1015851), (21147, 951961), (23691, 849737), (44723, 450129), (55279, 364173), (59451, 338617), (121391, 165837), (134169, 150043)]