20147568

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{983}}^1$

素因数の和:1062

約数の個数: 80

約数和(自身を含む): 60519936

約数和(自身を除く): 40372368

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 61, 84, 112, 122, 168, 183, 244, 336, 366, 427, 488, 732, 854, 976, 983, 1281, 1464, 1708, 1966, 2562, 2928, 2949, 3416, 3932, 5124, 5898, 6832, 6881, 7864, 10248, 11796, 13762, 15728, 20496, 20643, 23592, 27524, 41286, 47184, 55048, 59963, 82572, 110096, 119926, 165144, 179889, 239852, 330288, 359778, 419741, 479704, 719556, 839482, 959408, 1259223, 1439112, 1678964, 2518446, 2878224, 3357928, 5036892, 6715856, 10073784, 20147568]

約数ペア:

[(1, 20147568), (2, 10073784), (3, 6715856), (4, 5036892), (6, 3357928), (7, 2878224), (8, 2518446), (12, 1678964), (14, 1439112), (16, 1259223), (21, 959408), (24, 839482), (28, 719556), (42, 479704), (48, 419741), (56, 359778), (61, 330288), (84, 239852), (112, 179889), (122, 165144), (168, 119926), (183, 110096), (244, 82572), (336, 59963), (366, 55048), (427, 47184), (488, 41286), (732, 27524), (854, 23592), (976, 20643), (983, 20496), (1281, 15728), (1464, 13762), (1708, 11796), (1966, 10248), (2562, 7864), (2928, 6881), (2949, 6832), (3416, 5898), (3932, 5124)]