20109056

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 45205104

約数和(自身を除く): 25096048

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 64, 74, 88, 128, 148, 176, 193, 256, 296, 352, 386, 407, 592, 704, 772, 814, 1184, 1408, 1544, 1628, 2123, 2368, 2816, 3088, 3256, 4246, 4736, 6176, 6512, 7141, 8492, 9472, 12352, 13024, 14282, 16984, 24704, 26048, 28564, 33968, 49408, 52096, 57128, 67936, 78551, 104192, 114256, 135872, 157102, 228512, 271744, 314204, 457024, 543488, 628408, 914048, 1256816, 1828096, 2513632, 5027264, 10054528, 20109056]

約数ペア:

[(1, 20109056), (2, 10054528), (4, 5027264), (8, 2513632), (11, 1828096), (16, 1256816), (22, 914048), (32, 628408), (37, 543488), (44, 457024), (64, 314204), (74, 271744), (88, 228512), (128, 157102), (148, 135872), (176, 114256), (193, 104192), (256, 78551), (296, 67936), (352, 57128), (386, 52096), (407, 49408), (592, 33968), (704, 28564), (772, 26048), (814, 24704), (1184, 16984), (1408, 14282), (1544, 13024), (1628, 12352), (2123, 9472), (2368, 8492), (2816, 7141), (3088, 6512), (3256, 6176), (4246, 4736)]