20267460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1033}}^1$

素因数の和:1157

約数の個数: 72

約数和(自身を含む): 62102040

約数和(自身を除く): 41834580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1033, 1090, 1308, 1635, 1962, 2066, 2180, 3099, 3270, 3924, 4132, 4905, 5165, 6198, 6540, 9297, 9810, 10330, 12396, 15495, 18594, 19620, 20660, 30990, 37188, 46485, 61980, 92970, 112597, 185940, 225194, 337791, 450388, 562985, 675582, 1013373, 1125970, 1351164, 1688955, 2026746, 2251940, 3377910, 4053492, 5066865, 6755820, 10133730, 20267460]

約数ペア:

[(1, 20267460), (2, 10133730), (3, 6755820), (4, 5066865), (5, 4053492), (6, 3377910), (9, 2251940), (10, 2026746), (12, 1688955), (15, 1351164), (18, 1125970), (20, 1013373), (30, 675582), (36, 562985), (45, 450388), (60, 337791), (90, 225194), (109, 185940), (180, 112597), (218, 92970), (327, 61980), (436, 46485), (545, 37188), (654, 30990), (981, 20660), (1033, 19620), (1090, 18594), (1308, 15495), (1635, 12396), (1962, 10330), (2066, 9810), (2180, 9297), (3099, 6540), (3270, 6198), (3924, 5165), (4132, 4905)]