20177501560

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{140551}}^1$

素因数の和:140696

約数の個数: 64

約数和(自身を含む): 47107408320

約数和(自身を除く): 26929906760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 97, 148, 185, 194, 296, 370, 388, 485, 740, 776, 970, 1480, 1940, 3589, 3880, 7178, 14356, 17945, 28712, 35890, 71780, 140551, 143560, 281102, 562204, 702755, 1124408, 1405510, 2811020, 5200387, 5622040, 10400774, 13633447, 20801548, 26001935, 27266894, 41603096, 52003870, 54533788, 68167235, 104007740, 109067576, 136334470, 208015480, 272668940, 504437539, 545337880, 1008875078, 2017750156, 2522187695, 4035500312, 5044375390, 10088750780, 20177501560]

約数ペア:

[(1, 20177501560), (2, 10088750780), (4, 5044375390), (5, 4035500312), (8, 2522187695), (10, 2017750156), (20, 1008875078), (37, 545337880), (40, 504437539), (74, 272668940), (97, 208015480), (148, 136334470), (185, 109067576), (194, 104007740), (296, 68167235), (370, 54533788), (388, 52003870), (485, 41603096), (740, 27266894), (776, 26001935), (970, 20801548), (1480, 13633447), (1940, 10400774), (3589, 5622040), (3880, 5200387), (7178, 2811020), (14356, 1405510), (17945, 1124408), (28712, 702755), (35890, 562204), (71780, 281102), (140551, 143560)]