20608889653456

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{3257}}^1\times {\mathrm{26293}}^1$

素因数の和:29673

約数の個数: 120

約数和(自身を含む): 43738414055640

約数和(自身を除く): 23129524402184

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 169, 178, 208, 338, 356, 676, 712, 1157, 1352, 1424, 2314, 2704, 3257, 4628, 6514, 9256, 13028, 15041, 18512, 26056, 26293, 30082, 42341, 52112, 52586, 60164, 84682, 105172, 120328, 169364, 210344, 240656, 289873, 338728, 341809, 420688, 550433, 579746, 677456, 683618, 1100866, 1159492, 1367236, 2201732, 2318984, 2340077, 2734472, 3768349, 4403464, 4443517, 4637968, 4680154, 5468944, 7536698, 8806928, 8887034, 9360308, 15073396, 17774068, 18720616, 30146792, 30421001, 35548136, 37441232, 48988537, 60293584, 60842002, 71096272, 85636301, 97977074, 121684004, 171272602, 195954148, 243368008, 342545204, 391908296, 395473013, 486736016, 685090408, 783816592, 790946026, 1113271913, 1370180816, 1581892052, 2226543826, 3163784104, 4453087652, 6327568208, 7621630789, 8906175304, 14472534869, 15243261578, 17812350608, 28945069738, 30486523156, 57890139476, 60973046312, 99081200257, 115780278952, 121946092624, 198162400514, 231560557904, 396324801028, 792649602056, 1288055603341, 1585299204112, 2576111206682, 5152222413364, 10304444826728, 20608889653456]

約数ペア:

[(1, 20608889653456), (2, 10304444826728), (4, 5152222413364), (8, 2576111206682), (13, 1585299204112), (16, 1288055603341), (26, 792649602056), (52, 396324801028), (89, 231560557904), (104, 198162400514), (169, 121946092624), (178, 115780278952), (208, 99081200257), (338, 60973046312), (356, 57890139476), (676, 30486523156), (712, 28945069738), (1157, 17812350608), (1352, 15243261578), (1424, 14472534869), (2314, 8906175304), (2704, 7621630789), (3257, 6327568208), (4628, 4453087652), (6514, 3163784104), (9256, 2226543826), (13028, 1581892052), (15041, 1370180816), (18512, 1113271913), (26056, 790946026), (26293, 783816592), (30082, 685090408), (42341, 486736016), (52112, 395473013), (52586, 391908296), (60164, 342545204), (84682, 243368008), (105172, 195954148), (120328, 171272602), (169364, 121684004), (210344, 97977074), (240656, 85636301), (289873, 71096272), (338728, 60842002), (341809, 60293584), (420688, 48988537), (550433, 37441232), (579746, 35548136), (677456, 30421001), (683618, 30146792), (1100866, 18720616), (1159492, 17774068), (1367236, 15073396), (2201732, 9360308), (2318984, 8887034), (2340077, 8806928), (2734472, 7536698), (3768349, 5468944), (4403464, 4680154), (4443517, 4637968)]