20178051338

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{227}}^1$

素因数の和:651

約数の個数: 64

約数和(自身を含む): 32737443840

約数和(自身を除く): 12559392502

約数列:

[1, 2, 19, 38, 113, 127, 163, 226, 227, 254, 326, 454, 2147, 2413, 3097, 4294, 4313, 4826, 6194, 8626, 14351, 18419, 20701, 25651, 28702, 28829, 36838, 37001, 41402, 51302, 57658, 74002, 272669, 349961, 393319, 487369, 545338, 547751, 699922, 703019, 786638, 974738, 1095502, 1406038, 2339213, 3257677, 4181113, 4678426, 4699127, 6515354, 8362226, 9398254, 44445047, 61895863, 79441147, 88890094, 89283413, 123791726, 158882294, 178566826, 531001351, 1062002702, 10089025669, 20178051338]

約数ペア:

[(1, 20178051338), (2, 10089025669), (19, 1062002702), (38, 531001351), (113, 178566826), (127, 158882294), (163, 123791726), (226, 89283413), (227, 88890094), (254, 79441147), (326, 61895863), (454, 44445047), (2147, 9398254), (2413, 8362226), (3097, 6515354), (4294, 4699127), (4313, 4678426), (4826, 4181113), (6194, 3257677), (8626, 2339213), (14351, 1406038), (18419, 1095502), (20701, 974738), (25651, 786638), (28702, 703019), (28829, 699922), (36838, 547751), (37001, 545338), (41402, 487369), (51302, 393319), (57658, 349961), (74002, 272669)]