20512157892

素因数分解:

$2^2\times 3^1\times {\mathrm{103}}^1\times {\mathrm{659}}^1\times {\mathrm{25183}}^1$

素因数の和:25952

約数の個数: 48

約数和(自身を含む): 48401633280

約数和(自身を除く): 27889475388

約数列:

[1, 2, 3, 4, 6, 12, 103, 206, 309, 412, 618, 659, 1236, 1318, 1977, 2636, 3954, 7908, 25183, 50366, 67877, 75549, 100732, 135754, 151098, 203631, 271508, 302196, 407262, 814524, 2593849, 5187698, 7781547, 10375396, 15563094, 16595597, 31126188, 33191194, 49786791, 66382388, 99573582, 199147164, 1709346491, 3418692982, 5128039473, 6837385964, 10256078946, 20512157892]

約数ペア:

[(1, 20512157892), (2, 10256078946), (3, 6837385964), (4, 5128039473), (6, 3418692982), (12, 1709346491), (103, 199147164), (206, 99573582), (309, 66382388), (412, 49786791), (618, 33191194), (659, 31126188), (1236, 16595597), (1318, 15563094), (1977, 10375396), (2636, 7781547), (3954, 5187698), (7908, 2593849), (25183, 814524), (50366, 407262), (67877, 302196), (75549, 271508), (100732, 203631), (135754, 151098)]