20753664

素因数分解:

$2^8\times 3^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:523

約数の個数: 72

約数和(自身を含む): 56267232

約数和(自身を除く): 35513568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 64, 96, 122, 128, 183, 192, 244, 256, 366, 384, 443, 488, 732, 768, 886, 976, 1329, 1464, 1772, 1952, 2658, 2928, 3544, 3904, 5316, 5856, 7088, 7808, 10632, 11712, 14176, 15616, 21264, 23424, 27023, 28352, 42528, 46848, 54046, 56704, 81069, 85056, 108092, 113408, 162138, 170112, 216184, 324276, 340224, 432368, 648552, 864736, 1297104, 1729472, 2594208, 3458944, 5188416, 6917888, 10376832, 20753664]

約数ペア:

[(1, 20753664), (2, 10376832), (3, 6917888), (4, 5188416), (6, 3458944), (8, 2594208), (12, 1729472), (16, 1297104), (24, 864736), (32, 648552), (48, 432368), (61, 340224), (64, 324276), (96, 216184), (122, 170112), (128, 162138), (183, 113408), (192, 108092), (244, 85056), (256, 81069), (366, 56704), (384, 54046), (443, 46848), (488, 42528), (732, 28352), (768, 27023), (886, 23424), (976, 21264), (1329, 15616), (1464, 14176), (1772, 11712), (1952, 10632), (2658, 7808), (2928, 7088), (3544, 5856), (3904, 5316)]