20286786

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{1453}}^1$

素因数の和:1650

約数の個数: 32

約数和(自身を含む): 43968960

約数和(自身を除く): 23682174

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 179, 358, 537, 1074, 1453, 2327, 2906, 4359, 4654, 6981, 8718, 13962, 18889, 37778, 56667, 113334, 260087, 520174, 780261, 1560522, 3381131, 6762262, 10143393, 20286786]

約数ペア:

[(1, 20286786), (2, 10143393), (3, 6762262), (6, 3381131), (13, 1560522), (26, 780261), (39, 520174), (78, 260087), (179, 113334), (358, 56667), (537, 37778), (1074, 18889), (1453, 13962), (2327, 8718), (2906, 6981), (4359, 4654)]