20349952

素因数分解:

$2^{10}\times 7^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:211

約数の個数: 88

約数和(自身を含む): 49521024

約数和(自身を除く): 29171072

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 167, 224, 238, 256, 272, 334, 448, 476, 512, 544, 668, 896, 952, 1024, 1088, 1169, 1336, 1792, 1904, 2176, 2338, 2672, 2839, 3584, 3808, 4352, 4676, 5344, 5678, 7168, 7616, 8704, 9352, 10688, 11356, 15232, 17408, 18704, 19873, 21376, 22712, 30464, 37408, 39746, 42752, 45424, 60928, 74816, 79492, 85504, 90848, 121856, 149632, 158984, 171008, 181696, 299264, 317968, 363392, 598528, 635936, 726784, 1197056, 1271872, 1453568, 2543744, 2907136, 5087488, 10174976, 20349952]

約数ペア:

[(1, 20349952), (2, 10174976), (4, 5087488), (7, 2907136), (8, 2543744), (14, 1453568), (16, 1271872), (17, 1197056), (28, 726784), (32, 635936), (34, 598528), (56, 363392), (64, 317968), (68, 299264), (112, 181696), (119, 171008), (128, 158984), (136, 149632), (167, 121856), (224, 90848), (238, 85504), (256, 79492), (272, 74816), (334, 60928), (448, 45424), (476, 42752), (512, 39746), (544, 37408), (668, 30464), (896, 22712), (952, 21376), (1024, 19873), (1088, 18704), (1169, 17408), (1336, 15232), (1792, 11356), (1904, 10688), (2176, 9352), (2338, 8704), (2672, 7616), (2839, 7168), (3584, 5678), (3808, 5344), (4352, 4676)]