20872992

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:458

約数の個数: 96

約数和(自身を含む): 63504000

約数和(自身を除く): 42631008

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 89, 96, 112, 168, 178, 224, 267, 336, 349, 356, 534, 623, 672, 698, 712, 1047, 1068, 1246, 1396, 1424, 1869, 2094, 2136, 2443, 2492, 2792, 2848, 3738, 4188, 4272, 4886, 4984, 5584, 7329, 7476, 8376, 8544, 9772, 9968, 11168, 14658, 14952, 16752, 19544, 19936, 29316, 29904, 31061, 33504, 39088, 58632, 59808, 62122, 78176, 93183, 117264, 124244, 186366, 217427, 234528, 248488, 372732, 434854, 496976, 652281, 745464, 869708, 993952, 1304562, 1490928, 1739416, 2609124, 2981856, 3478832, 5218248, 6957664, 10436496, 20872992]

約数ペア:

[(1, 20872992), (2, 10436496), (3, 6957664), (4, 5218248), (6, 3478832), (7, 2981856), (8, 2609124), (12, 1739416), (14, 1490928), (16, 1304562), (21, 993952), (24, 869708), (28, 745464), (32, 652281), (42, 496976), (48, 434854), (56, 372732), (84, 248488), (89, 234528), (96, 217427), (112, 186366), (168, 124244), (178, 117264), (224, 93183), (267, 78176), (336, 62122), (349, 59808), (356, 58632), (534, 39088), (623, 33504), (672, 31061), (698, 29904), (712, 29316), (1047, 19936), (1068, 19544), (1246, 16752), (1396, 14952), (1424, 14658), (1869, 11168), (2094, 9968), (2136, 9772), (2443, 8544), (2492, 8376), (2792, 7476), (2848, 7329), (3738, 5584), (4188, 4984), (4272, 4886)]