20195363584

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{907}}^1\times {\mathrm{7907}}^1$

素因数の和:8841

約数の個数: 72

約数和(自身を含む): 44030605248

約数和(自身を除く): 23835241664

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 704, 907, 1408, 1814, 2816, 3628, 7256, 7907, 9977, 14512, 15814, 19954, 29024, 31628, 39908, 58048, 63256, 79816, 86977, 116096, 126512, 159632, 173954, 232192, 253024, 319264, 347908, 506048, 638528, 695816, 1012096, 1277056, 1391632, 2024192, 2554112, 2783264, 5566528, 7171649, 11133056, 14343298, 22266112, 28686596, 57373192, 78888139, 114746384, 157776278, 229492768, 315552556, 458985536, 631105112, 917971072, 1262210224, 1835942144, 2524420448, 5048840896, 10097681792, 20195363584]

約数ペア:

[(1, 20195363584), (2, 10097681792), (4, 5048840896), (8, 2524420448), (11, 1835942144), (16, 1262210224), (22, 917971072), (32, 631105112), (44, 458985536), (64, 315552556), (88, 229492768), (128, 157776278), (176, 114746384), (256, 78888139), (352, 57373192), (704, 28686596), (907, 22266112), (1408, 14343298), (1814, 11133056), (2816, 7171649), (3628, 5566528), (7256, 2783264), (7907, 2554112), (9977, 2024192), (14512, 1391632), (15814, 1277056), (19954, 1012096), (29024, 695816), (31628, 638528), (39908, 506048), (58048, 347908), (63256, 319264), (79816, 253024), (86977, 232192), (116096, 173954), (126512, 159632)]