20213630864

素因数分解:

$2^4\times 7^1\times {\mathrm{227}}^1\times {\mathrm{613}}^1\times {\mathrm{1297}}^1$

素因数の和:2152

約数の個数: 80

約数和(自身を含む): 45063984768

約数和(自身を除く): 24850353904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 227, 454, 613, 908, 1226, 1297, 1589, 1816, 2452, 2594, 3178, 3632, 4291, 4904, 5188, 6356, 8582, 9079, 9808, 10376, 12712, 17164, 18158, 20752, 25424, 34328, 36316, 68656, 72632, 139151, 145264, 278302, 294419, 556604, 588838, 795061, 974057, 1113208, 1177676, 1590122, 1948114, 2060933, 2226416, 2355352, 3180244, 3896228, 4121866, 4710704, 5565427, 6360488, 7792456, 8243732, 11130854, 12720976, 15584912, 16487464, 22261708, 32974928, 44523416, 89046832, 180478847, 360957694, 721915388, 1263351929, 1443830776, 2526703858, 2887661552, 5053407716, 10106815432, 20213630864]

約数ペア:

[(1, 20213630864), (2, 10106815432), (4, 5053407716), (7, 2887661552), (8, 2526703858), (14, 1443830776), (16, 1263351929), (28, 721915388), (56, 360957694), (112, 180478847), (227, 89046832), (454, 44523416), (613, 32974928), (908, 22261708), (1226, 16487464), (1297, 15584912), (1589, 12720976), (1816, 11130854), (2452, 8243732), (2594, 7792456), (3178, 6360488), (3632, 5565427), (4291, 4710704), (4904, 4121866), (5188, 3896228), (6356, 3180244), (8582, 2355352), (9079, 2226416), (9808, 2060933), (10376, 1948114), (12712, 1590122), (17164, 1177676), (18158, 1113208), (20752, 974057), (25424, 795061), (34328, 588838), (36316, 556604), (68656, 294419), (72632, 278302), (139151, 145264)]