20174881888

素因数分解:

$2^5\times 7^1\times {\mathrm{5227}}^1\times {\mathrm{17231}}^1$

素因数の和:22475

約数の個数: 48

約数和(自身を含む): 45404803584

約数和(自身を除く): 25229921696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 5227, 10454, 17231, 20908, 34462, 36589, 41816, 68924, 73178, 83632, 120617, 137848, 146356, 167264, 241234, 275696, 292712, 482468, 551392, 585424, 964936, 1170848, 1929872, 3859744, 90066437, 180132874, 360265748, 630465059, 720531496, 1260930118, 1441062992, 2521860236, 2882125984, 5043720472, 10087440944, 20174881888]

約数ペア:

[(1, 20174881888), (2, 10087440944), (4, 5043720472), (7, 2882125984), (8, 2521860236), (14, 1441062992), (16, 1260930118), (28, 720531496), (32, 630465059), (56, 360265748), (112, 180132874), (224, 90066437), (5227, 3859744), (10454, 1929872), (17231, 1170848), (20908, 964936), (34462, 585424), (36589, 551392), (41816, 482468), (68924, 292712), (73178, 275696), (83632, 241234), (120617, 167264), (137848, 146356)]