20502944

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:238

約数の個数: 96

約数和(自身を含む): 51601536

約数和(自身を除く): 31098592

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 53, 56, 77, 88, 106, 112, 154, 157, 176, 212, 224, 308, 314, 352, 371, 424, 583, 616, 628, 742, 848, 1099, 1166, 1232, 1256, 1484, 1696, 1727, 2198, 2332, 2464, 2512, 2968, 3454, 4081, 4396, 4664, 5024, 5936, 6908, 8162, 8321, 8792, 9328, 11872, 12089, 13816, 16324, 16642, 17584, 18656, 24178, 27632, 32648, 33284, 35168, 48356, 55264, 58247, 65296, 66568, 91531, 96712, 116494, 130592, 133136, 183062, 193424, 232988, 266272, 366124, 386848, 465976, 640717, 732248, 931952, 1281434, 1464496, 1863904, 2562868, 2928992, 5125736, 10251472, 20502944]

約数ペア:

[(1, 20502944), (2, 10251472), (4, 5125736), (7, 2928992), (8, 2562868), (11, 1863904), (14, 1464496), (16, 1281434), (22, 931952), (28, 732248), (32, 640717), (44, 465976), (53, 386848), (56, 366124), (77, 266272), (88, 232988), (106, 193424), (112, 183062), (154, 133136), (157, 130592), (176, 116494), (212, 96712), (224, 91531), (308, 66568), (314, 65296), (352, 58247), (371, 55264), (424, 48356), (583, 35168), (616, 33284), (628, 32648), (742, 27632), (848, 24178), (1099, 18656), (1166, 17584), (1232, 16642), (1256, 16324), (1484, 13816), (1696, 12089), (1727, 11872), (2198, 9328), (2332, 8792), (2464, 8321), (2512, 8162), (2968, 6908), (3454, 5936), (4081, 5024), (4396, 4664)]