20147921685

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3943}}^1\times {\mathrm{4937}}^1$

素因数の和:8914

約数の個数: 48

約数和(自身を含む): 36458083584

約数和(自身を除く): 16310161899

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 3943, 4937, 11829, 14811, 19715, 24685, 35487, 44433, 59145, 74055, 90689, 113551, 177435, 222165, 272067, 340653, 453445, 567755, 816201, 1021959, 1360335, 1703265, 4081005, 5109795, 19466591, 58399773, 97332955, 175199319, 291998865, 447731593, 875996595, 1343194779, 2238657965, 4029584337, 6715973895, 20147921685]

約数ペア:

[(1, 20147921685), (3, 6715973895), (5, 4029584337), (9, 2238657965), (15, 1343194779), (23, 875996595), (45, 447731593), (69, 291998865), (115, 175199319), (207, 97332955), (345, 58399773), (1035, 19466591), (3943, 5109795), (4937, 4081005), (11829, 1703265), (14811, 1360335), (19715, 1021959), (24685, 816201), (35487, 567755), (44433, 453445), (59145, 340653), (74055, 272067), (90689, 222165), (113551, 177435)]