20136489890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1997}}^1\times {\mathrm{2957}}^1$

素因数の和:5003

約数の個数: 64

約数和(自身を含む): 40850500608

約数和(自身を除く): 20714010718

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 1997, 2957, 3410, 3994, 5914, 9985, 14785, 19970, 21967, 29570, 32527, 43934, 61907, 65054, 91667, 109835, 123814, 162635, 183334, 219670, 309535, 325270, 458335, 619070, 680977, 916670, 1008337, 1361954, 2016674, 3404885, 5041685, 5905129, 6809770, 10083370, 11810258, 29525645, 59051290, 64956419, 129912838, 183058999, 324782095, 366117998, 649564190, 915294995, 1830589990, 2013648989, 4027297978, 10068244945, 20136489890]

約数ペア:

[(1, 20136489890), (2, 10068244945), (5, 4027297978), (10, 2013648989), (11, 1830589990), (22, 915294995), (31, 649564190), (55, 366117998), (62, 324782095), (110, 183058999), (155, 129912838), (310, 64956419), (341, 59051290), (682, 29525645), (1705, 11810258), (1997, 10083370), (2957, 6809770), (3410, 5905129), (3994, 5041685), (5914, 3404885), (9985, 2016674), (14785, 1361954), (19970, 1008337), (21967, 916670), (29570, 680977), (32527, 619070), (43934, 458335), (61907, 325270), (65054, 309535), (91667, 219670), (109835, 183334), (123814, 162635)]