20615418

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 49075200

約数和(自身を除く): 28459782

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 71, 114, 142, 171, 213, 283, 342, 426, 513, 566, 639, 849, 1026, 1278, 1349, 1698, 1917, 2547, 2698, 3834, 4047, 5094, 5377, 7641, 8094, 10754, 12141, 15282, 16131, 20093, 24282, 32262, 36423, 40186, 48393, 60279, 72846, 96786, 120558, 145179, 180837, 290358, 361674, 381767, 542511, 763534, 1085022, 1145301, 2290602, 3435903, 6871806, 10307709, 20615418]

約数ペア:

[(1, 20615418), (2, 10307709), (3, 6871806), (6, 3435903), (9, 2290602), (18, 1145301), (19, 1085022), (27, 763534), (38, 542511), (54, 381767), (57, 361674), (71, 290358), (114, 180837), (142, 145179), (171, 120558), (213, 96786), (283, 72846), (342, 60279), (426, 48393), (513, 40186), (566, 36423), (639, 32262), (849, 24282), (1026, 20093), (1278, 16131), (1349, 15282), (1698, 12141), (1917, 10754), (2547, 8094), (2698, 7641), (3834, 5377), (4047, 5094)]