20778826185

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{32261}}^1$

素因数の和:32655

約数の個数: 64

約数和(自身を含む): 39891317760

約数和(自身を除く): 19112491575

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 367, 585, 1101, 1755, 1835, 3303, 4771, 5505, 9909, 14313, 16515, 23855, 32261, 42939, 49545, 71565, 96783, 128817, 161305, 214695, 290349, 419393, 483915, 644085, 871047, 1258179, 1451745, 2096965, 3774537, 4355235, 6290895, 11323611, 11839787, 18872685, 35519361, 56618055, 59198935, 106558083, 153917231, 177596805, 319674249, 461751693, 532790415, 769586155, 1385255079, 1598371245, 2308758465, 4155765237, 6926275395, 20778826185]

約数ペア:

[(1, 20778826185), (3, 6926275395), (5, 4155765237), (9, 2308758465), (13, 1598371245), (15, 1385255079), (27, 769586155), (39, 532790415), (45, 461751693), (65, 319674249), (117, 177596805), (135, 153917231), (195, 106558083), (351, 59198935), (367, 56618055), (585, 35519361), (1101, 18872685), (1755, 11839787), (1835, 11323611), (3303, 6290895), (4771, 4355235), (5505, 3774537), (9909, 2096965), (14313, 1451745), (16515, 1258179), (23855, 871047), (32261, 644085), (42939, 483915), (49545, 419393), (71565, 290349), (96783, 214695), (128817, 161305)]