20162355856

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1433}}^1\times {\mathrm{1493}}^1$

素因数の和:2984

約数の個数: 80

約数和(自身を含む): 42505136640

約数和(自身を除く): 22342780784

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 1433, 1493, 2356, 2866, 2986, 4712, 5732, 5972, 9424, 11464, 11944, 22928, 23888, 27227, 28367, 44423, 46283, 54454, 56734, 88846, 92566, 108908, 113468, 177692, 185132, 217816, 226936, 355384, 370264, 435632, 453872, 710768, 740528, 844037, 879377, 1688074, 1758754, 2139469, 3376148, 3517508, 4278938, 6752296, 7035016, 8557876, 13504592, 14070032, 17115752, 34231504, 40649911, 66323539, 81299822, 132647078, 162599644, 265294156, 325199288, 530588312, 650398576, 1061176624, 1260147241, 2520294482, 5040588964, 10081177928, 20162355856]

約数ペア:

[(1, 20162355856), (2, 10081177928), (4, 5040588964), (8, 2520294482), (16, 1260147241), (19, 1061176624), (31, 650398576), (38, 530588312), (62, 325199288), (76, 265294156), (124, 162599644), (152, 132647078), (248, 81299822), (304, 66323539), (496, 40649911), (589, 34231504), (1178, 17115752), (1433, 14070032), (1493, 13504592), (2356, 8557876), (2866, 7035016), (2986, 6752296), (4712, 4278938), (5732, 3517508), (5972, 3376148), (9424, 2139469), (11464, 1758754), (11944, 1688074), (22928, 879377), (23888, 844037), (27227, 740528), (28367, 710768), (44423, 453872), (46283, 435632), (54454, 370264), (56734, 355384), (88846, 226936), (92566, 217816), (108908, 185132), (113468, 177692)]