20136744980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{60737}}^1$

素因数の和:60905

約数の個数: 72

約数和(自身を含む): 46820980584

約数和(自身を除く): 26684235604

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 137, 220, 242, 274, 484, 548, 605, 685, 1210, 1370, 1507, 2420, 2740, 3014, 6028, 7535, 15070, 16577, 30140, 33154, 60737, 66308, 82885, 121474, 165770, 242948, 303685, 331540, 607370, 668107, 1214740, 1336214, 2672428, 3340535, 6681070, 7349177, 8320969, 13362140, 14698354, 16641938, 29396708, 33283876, 36745885, 41604845, 73491770, 83209690, 91530659, 146983540, 166419380, 183061318, 366122636, 457653295, 915306590, 1006837249, 1830613180, 2013674498, 4027348996, 5034186245, 10068372490, 20136744980]

約数ペア:

[(1, 20136744980), (2, 10068372490), (4, 5034186245), (5, 4027348996), (10, 2013674498), (11, 1830613180), (20, 1006837249), (22, 915306590), (44, 457653295), (55, 366122636), (110, 183061318), (121, 166419380), (137, 146983540), (220, 91530659), (242, 83209690), (274, 73491770), (484, 41604845), (548, 36745885), (605, 33283876), (685, 29396708), (1210, 16641938), (1370, 14698354), (1507, 13362140), (2420, 8320969), (2740, 7349177), (3014, 6681070), (6028, 3340535), (7535, 2672428), (15070, 1336214), (16577, 1214740), (30140, 668107), (33154, 607370), (60737, 331540), (66308, 303685), (82885, 242948), (121474, 165770)]