20738048

素因数分解:

$2^{12}\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:168

約数の個数: 52

約数和(自身を含む): 42658728

約数和(自身を除く): 21920680

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 83, 122, 128, 166, 244, 256, 332, 488, 512, 664, 976, 1024, 1328, 1952, 2048, 2656, 3904, 4096, 5063, 5312, 7808, 10126, 10624, 15616, 20252, 21248, 31232, 40504, 42496, 62464, 81008, 84992, 124928, 162016, 169984, 249856, 324032, 339968, 648064, 1296128, 2592256, 5184512, 10369024, 20738048]

約数ペア:

[(1, 20738048), (2, 10369024), (4, 5184512), (8, 2592256), (16, 1296128), (32, 648064), (61, 339968), (64, 324032), (83, 249856), (122, 169984), (128, 162016), (166, 124928), (244, 84992), (256, 81008), (332, 62464), (488, 42496), (512, 40504), (664, 31232), (976, 21248), (1024, 20252), (1328, 15616), (1952, 10624), (2048, 10126), (2656, 7808), (3904, 5312), (4096, 5063)]