20324804560

素因数分解:

$2^4\times 5^1\times {\mathrm{443}}^1\times {\mathrm{587}}^1\times {\mathrm{977}}^1$

素因数の和:2020

約数の個数: 80

約数和(自身を含む): 47491085376

約数和(自身を除く): 27166280816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 443, 587, 886, 977, 1174, 1772, 1954, 2215, 2348, 2935, 3544, 3908, 4430, 4696, 4885, 5870, 7088, 7816, 8860, 9392, 9770, 11740, 15632, 17720, 19540, 23480, 35440, 39080, 46960, 78160, 260041, 432811, 520082, 573499, 865622, 1040164, 1146998, 1300205, 1731244, 2080328, 2164055, 2293996, 2600410, 2867495, 3462488, 4160656, 4328110, 4587992, 5200820, 5734990, 6924976, 8656220, 9175984, 10401640, 11469980, 17312440, 20803280, 22939960, 34624880, 45879920, 254060057, 508120114, 1016240228, 1270300285, 2032480456, 2540600570, 4064960912, 5081201140, 10162402280, 20324804560]

約数ペア:

[(1, 20324804560), (2, 10162402280), (4, 5081201140), (5, 4064960912), (8, 2540600570), (10, 2032480456), (16, 1270300285), (20, 1016240228), (40, 508120114), (80, 254060057), (443, 45879920), (587, 34624880), (886, 22939960), (977, 20803280), (1174, 17312440), (1772, 11469980), (1954, 10401640), (2215, 9175984), (2348, 8656220), (2935, 6924976), (3544, 5734990), (3908, 5200820), (4430, 4587992), (4696, 4328110), (4885, 4160656), (5870, 3462488), (7088, 2867495), (7816, 2600410), (8860, 2293996), (9392, 2164055), (9770, 2080328), (11740, 1731244), (15632, 1300205), (17720, 1146998), (19540, 1040164), (23480, 865622), (35440, 573499), (39080, 520082), (46960, 432811), (78160, 260041)]