20732320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:302

約数の個数: 96

約数和(自身を含む): 56827008

約数和(自身を除く): 36094688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 107, 112, 140, 160, 173, 214, 224, 280, 346, 428, 535, 560, 692, 749, 856, 865, 1070, 1120, 1211, 1384, 1498, 1712, 1730, 2140, 2422, 2768, 2996, 3424, 3460, 3745, 4280, 4844, 5536, 5992, 6055, 6920, 7490, 8560, 9688, 11984, 12110, 13840, 14980, 17120, 18511, 19376, 23968, 24220, 27680, 29960, 37022, 38752, 48440, 59920, 74044, 92555, 96880, 119840, 129577, 148088, 185110, 193760, 259154, 296176, 370220, 518308, 592352, 647885, 740440, 1036616, 1295770, 1480880, 2073232, 2591540, 2961760, 4146464, 5183080, 10366160, 20732320]

約数ペア:

[(1, 20732320), (2, 10366160), (4, 5183080), (5, 4146464), (7, 2961760), (8, 2591540), (10, 2073232), (14, 1480880), (16, 1295770), (20, 1036616), (28, 740440), (32, 647885), (35, 592352), (40, 518308), (56, 370220), (70, 296176), (80, 259154), (107, 193760), (112, 185110), (140, 148088), (160, 129577), (173, 119840), (214, 96880), (224, 92555), (280, 74044), (346, 59920), (428, 48440), (535, 38752), (560, 37022), (692, 29960), (749, 27680), (856, 24220), (865, 23968), (1070, 19376), (1120, 18511), (1211, 17120), (1384, 14980), (1498, 13840), (1712, 12110), (1730, 11984), (2140, 9688), (2422, 8560), (2768, 7490), (2996, 6920), (3424, 6055), (3460, 5992), (3745, 5536), (4280, 4844)]