20694112

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:971

約数の個数: 48

約数和(自身を含む): 43932672

約数和(自身を除く): 23238560

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 92, 124, 184, 248, 368, 496, 713, 736, 907, 992, 1426, 1814, 2852, 3628, 5704, 7256, 11408, 14512, 20861, 22816, 28117, 29024, 41722, 56234, 83444, 112468, 166888, 224936, 333776, 449872, 646691, 667552, 899744, 1293382, 2586764, 5173528, 10347056, 20694112]

約数ペア:

[(1, 20694112), (2, 10347056), (4, 5173528), (8, 2586764), (16, 1293382), (23, 899744), (31, 667552), (32, 646691), (46, 449872), (62, 333776), (92, 224936), (124, 166888), (184, 112468), (248, 83444), (368, 56234), (496, 41722), (713, 29024), (736, 28117), (907, 22816), (992, 20861), (1426, 14512), (1814, 11408), (2852, 7256), (3628, 5704)]