20877632

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:679

約数の個数: 56

約数和(自身を含む): 45354240

約数和(自身を除く): 24476608

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 136, 248, 272, 496, 527, 544, 619, 992, 1054, 1088, 1238, 1984, 2108, 2476, 4216, 4952, 8432, 9904, 10523, 16864, 19189, 19808, 21046, 33728, 38378, 39616, 42092, 76756, 84184, 153512, 168368, 307024, 326213, 336736, 614048, 652426, 673472, 1228096, 1304852, 2609704, 5219408, 10438816, 20877632]

約数ペア:

[(1, 20877632), (2, 10438816), (4, 5219408), (8, 2609704), (16, 1304852), (17, 1228096), (31, 673472), (32, 652426), (34, 614048), (62, 336736), (64, 326213), (68, 307024), (124, 168368), (136, 153512), (248, 84184), (272, 76756), (496, 42092), (527, 39616), (544, 38378), (619, 33728), (992, 21046), (1054, 19808), (1088, 19189), (1238, 16864), (1984, 10523), (2108, 9904), (2476, 8432), (4216, 4952)]