20503464

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 53784000

約数和(自身を除く): 33280536

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 87, 89, 116, 174, 178, 232, 267, 331, 348, 356, 534, 662, 696, 712, 993, 1068, 1324, 1986, 2136, 2581, 2648, 3972, 5162, 7743, 7944, 9599, 10324, 15486, 19198, 20648, 28797, 29459, 30972, 38396, 57594, 58918, 61944, 76792, 88377, 115188, 117836, 176754, 230376, 235672, 353508, 707016, 854311, 1708622, 2562933, 3417244, 5125866, 6834488, 10251732, 20503464]

約数ペア:

[(1, 20503464), (2, 10251732), (3, 6834488), (4, 5125866), (6, 3417244), (8, 2562933), (12, 1708622), (24, 854311), (29, 707016), (58, 353508), (87, 235672), (89, 230376), (116, 176754), (174, 117836), (178, 115188), (232, 88377), (267, 76792), (331, 61944), (348, 58918), (356, 57594), (534, 38396), (662, 30972), (696, 29459), (712, 28797), (993, 20648), (1068, 19198), (1324, 15486), (1986, 10324), (2136, 9599), (2581, 7944), (2648, 7743), (3972, 5162)]