20668565554

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{359}}^1\times {\mathrm{2309}}^1$

素因数の和:2827

約数の個数: 64

約数和(自身を含む): 38559628800

約数和(自身を除く): 17891063246

約数列:

[1, 2, 7, 13, 14, 26, 91, 137, 182, 274, 359, 718, 959, 1781, 1918, 2309, 2513, 3562, 4618, 4667, 5026, 9334, 12467, 16163, 24934, 30017, 32326, 32669, 49183, 60034, 65338, 98366, 210119, 316333, 344281, 420238, 632666, 639379, 688562, 828931, 1278758, 1657862, 2214331, 4112329, 4428662, 4475653, 5802517, 8224658, 8951306, 10776103, 11605034, 21552206, 28786303, 57572606, 75432721, 113563547, 150865442, 227127094, 794944829, 1476326111, 1589889658, 2952652222, 10334282777, 20668565554]

約数ペア:

[(1, 20668565554), (2, 10334282777), (7, 2952652222), (13, 1589889658), (14, 1476326111), (26, 794944829), (91, 227127094), (137, 150865442), (182, 113563547), (274, 75432721), (359, 57572606), (718, 28786303), (959, 21552206), (1781, 11605034), (1918, 10776103), (2309, 8951306), (2513, 8224658), (3562, 5802517), (4618, 4475653), (4667, 4428662), (5026, 4112329), (9334, 2214331), (12467, 1657862), (16163, 1278758), (24934, 828931), (30017, 688562), (32326, 639379), (32669, 632666), (49183, 420238), (60034, 344281), (65338, 316333), (98366, 210119)]