20687557257

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{11587}}^1$

素因数の和:11862

約数の個数: 48

約数和(自身を含む): 32213712960

約数和(自身を除く): 11526155703

約数列:

[1, 3, 9, 19, 53, 57, 159, 171, 197, 477, 591, 1007, 1773, 3021, 3743, 9063, 10441, 11229, 11587, 31323, 33687, 34761, 93969, 104283, 198379, 220153, 595137, 614111, 660459, 1785411, 1842333, 1981377, 2282639, 5526999, 6847917, 11668109, 20543751, 35004327, 43370141, 105012981, 120979867, 130110423, 362939601, 390331269, 1088818803, 2298617473, 6895852419, 20687557257]

約数ペア:

[(1, 20687557257), (3, 6895852419), (9, 2298617473), (19, 1088818803), (53, 390331269), (57, 362939601), (159, 130110423), (171, 120979867), (197, 105012981), (477, 43370141), (591, 35004327), (1007, 20543751), (1773, 11668109), (3021, 6847917), (3743, 5526999), (9063, 2282639), (10441, 1981377), (11229, 1842333), (11587, 1785411), (31323, 660459), (33687, 614111), (34761, 595137), (93969, 220153), (104283, 198379)]