20136995536

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{17761}}^1$

素因数の和:18020

約数の個数: 80

約数和(自身を含む): 45670791168

約数和(自身を除く): 25533795632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 191, 212, 371, 382, 424, 742, 764, 848, 1337, 1484, 1528, 2674, 2968, 3056, 5348, 5936, 10123, 10696, 17761, 20246, 21392, 35522, 40492, 70861, 71044, 80984, 124327, 141722, 142088, 161968, 248654, 283444, 284176, 497308, 566888, 941333, 994616, 1133776, 1882666, 1989232, 3392351, 3765332, 6589331, 6784702, 7530664, 13178662, 13569404, 15061328, 23746457, 26357324, 27138808, 47492914, 52714648, 54277616, 94985828, 105429296, 179794603, 189971656, 359589206, 379943312, 719178412, 1258562221, 1438356824, 2517124442, 2876713648, 5034248884, 10068497768, 20136995536]

約数ペア:

[(1, 20136995536), (2, 10068497768), (4, 5034248884), (7, 2876713648), (8, 2517124442), (14, 1438356824), (16, 1258562221), (28, 719178412), (53, 379943312), (56, 359589206), (106, 189971656), (112, 179794603), (191, 105429296), (212, 94985828), (371, 54277616), (382, 52714648), (424, 47492914), (742, 27138808), (764, 26357324), (848, 23746457), (1337, 15061328), (1484, 13569404), (1528, 13178662), (2674, 7530664), (2968, 6784702), (3056, 6589331), (5348, 3765332), (5936, 3392351), (10123, 1989232), (10696, 1882666), (17761, 1133776), (20246, 994616), (21392, 941333), (35522, 566888), (40492, 497308), (70861, 284176), (71044, 283444), (80984, 248654), (124327, 161968), (141722, 142088)]