20967168

素因数分解:

$2^8\times 3^1\times {\mathrm{23}}^1\times {\mathrm{1187}}^1$

素因数の和:1229

約数の個数: 72

約数和(自身を含む): 58278528

約数和(自身を除く): 37311360

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 184, 192, 256, 276, 368, 384, 552, 736, 768, 1104, 1187, 1472, 2208, 2374, 2944, 3561, 4416, 4748, 5888, 7122, 8832, 9496, 14244, 17664, 18992, 27301, 28488, 37984, 54602, 56976, 75968, 81903, 109204, 113952, 151936, 163806, 218408, 227904, 303872, 327612, 436816, 455808, 655224, 873632, 911616, 1310448, 1747264, 2620896, 3494528, 5241792, 6989056, 10483584, 20967168]

約数ペア:

[(1, 20967168), (2, 10483584), (3, 6989056), (4, 5241792), (6, 3494528), (8, 2620896), (12, 1747264), (16, 1310448), (23, 911616), (24, 873632), (32, 655224), (46, 455808), (48, 436816), (64, 327612), (69, 303872), (92, 227904), (96, 218408), (128, 163806), (138, 151936), (184, 113952), (192, 109204), (256, 81903), (276, 75968), (368, 56976), (384, 54602), (552, 37984), (736, 28488), (768, 27301), (1104, 18992), (1187, 17664), (1472, 14244), (2208, 9496), (2374, 8832), (2944, 7122), (3561, 5888), (4416, 4748)]