20436692380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{210731}}^1$

素因数の和:211126

約数の個数: 48

約数和(自身を含む): 46342495584

約数和(自身を除く): 25905803204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 373, 746, 1492, 1865, 3730, 4849, 7460, 9698, 19396, 24245, 48490, 96980, 210731, 421462, 842924, 1053655, 2107310, 2739503, 4214620, 5479006, 10958012, 13697515, 27395030, 54790060, 78602663, 157205326, 314410652, 393013315, 786026630, 1021834619, 1572053260, 2043669238, 4087338476, 5109173095, 10218346190, 20436692380]

約数ペア:

[(1, 20436692380), (2, 10218346190), (4, 5109173095), (5, 4087338476), (10, 2043669238), (13, 1572053260), (20, 1021834619), (26, 786026630), (52, 393013315), (65, 314410652), (130, 157205326), (260, 78602663), (373, 54790060), (746, 27395030), (1492, 13697515), (1865, 10958012), (3730, 5479006), (4849, 4214620), (7460, 2739503), (9698, 2107310), (19396, 1053655), (24245, 842924), (48490, 421462), (96980, 210731)]