20293941632

素因数分解:

$2^7\times {\mathrm{127}}^1\times {\mathrm{967}}^1\times {\mathrm{1291}}^1$

素因数の和:2399

約数の個数: 64

約数和(自身を含む): 40821411840

約数和(自身を除く): 20527470208

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 508, 967, 1016, 1291, 1934, 2032, 2582, 3868, 4064, 5164, 7736, 8128, 10328, 15472, 16256, 20656, 30944, 41312, 61888, 82624, 122809, 123776, 163957, 165248, 245618, 327914, 491236, 655828, 982472, 1248397, 1311656, 1964944, 2496794, 2623312, 3929888, 4993588, 5246624, 7859776, 9987176, 10493248, 15719552, 19974352, 20986496, 39948704, 79897408, 158546419, 159794816, 317092838, 634185676, 1268371352, 2536742704, 5073485408, 10146970816, 20293941632]

約数ペア:

[(1, 20293941632), (2, 10146970816), (4, 5073485408), (8, 2536742704), (16, 1268371352), (32, 634185676), (64, 317092838), (127, 159794816), (128, 158546419), (254, 79897408), (508, 39948704), (967, 20986496), (1016, 19974352), (1291, 15719552), (1934, 10493248), (2032, 9987176), (2582, 7859776), (3868, 5246624), (4064, 4993588), (5164, 3929888), (7736, 2623312), (8128, 2496794), (10328, 1964944), (15472, 1311656), (16256, 1248397), (20656, 982472), (30944, 655828), (41312, 491236), (61888, 327914), (82624, 245618), (122809, 165248), (123776, 163957)]