20170893856

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{44089}}^1$

素因数の和:44174

約数の個数: 72

約数和(自身を含む): 43548310260

約数和(自身を除く): 23377416404

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 58, 68, 116, 136, 232, 272, 464, 493, 544, 841, 928, 986, 1682, 1972, 3364, 3944, 6728, 7888, 13456, 14297, 15776, 26912, 28594, 44089, 57188, 88178, 114376, 176356, 228752, 352712, 457504, 705424, 749513, 1278581, 1410848, 1499026, 2557162, 2998052, 5114324, 5996104, 10228648, 11992208, 20457296, 21735877, 23984416, 37078849, 40914592, 43471754, 74157698, 86943508, 148315396, 173887016, 296630792, 347774032, 593261584, 630340433, 695548064, 1186523168, 1260680866, 2521361732, 5042723464, 10085446928, 20170893856]

約数ペア:

[(1, 20170893856), (2, 10085446928), (4, 5042723464), (8, 2521361732), (16, 1260680866), (17, 1186523168), (29, 695548064), (32, 630340433), (34, 593261584), (58, 347774032), (68, 296630792), (116, 173887016), (136, 148315396), (232, 86943508), (272, 74157698), (464, 43471754), (493, 40914592), (544, 37078849), (841, 23984416), (928, 21735877), (986, 20457296), (1682, 11992208), (1972, 10228648), (3364, 5996104), (3944, 5114324), (6728, 2998052), (7888, 2557162), (13456, 1499026), (14297, 1410848), (15776, 1278581), (26912, 749513), (28594, 705424), (44089, 457504), (57188, 352712), (88178, 228752), (114376, 176356)]