20372704

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1867}}^1$

素因数の和:1919

約数の個数: 48

約数和(自身を含む): 45190656

約数和(自身を除く): 24817952

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 88, 124, 176, 248, 341, 352, 496, 682, 992, 1364, 1867, 2728, 3734, 5456, 7468, 10912, 14936, 20537, 29872, 41074, 57877, 59744, 82148, 115754, 164296, 231508, 328592, 463016, 636647, 657184, 926032, 1273294, 1852064, 2546588, 5093176, 10186352, 20372704]

約数ペア:

[(1, 20372704), (2, 10186352), (4, 5093176), (8, 2546588), (11, 1852064), (16, 1273294), (22, 926032), (31, 657184), (32, 636647), (44, 463016), (62, 328592), (88, 231508), (124, 164296), (176, 115754), (248, 82148), (341, 59744), (352, 57877), (496, 41074), (682, 29872), (992, 20537), (1364, 14936), (1867, 10912), (2728, 7468), (3734, 5456)]