20796747008

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{1481}}^1\times {\mathrm{2887}}^1$

素因数の和:4403

約数の個数: 72

約数和(自身を含む): 43741763520

約数和(自身を除く): 22945016512

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 1481, 2432, 2887, 2962, 4864, 5774, 5924, 11548, 11848, 23096, 23696, 28139, 46192, 47392, 54853, 56278, 92384, 94784, 109706, 112556, 184768, 189568, 219412, 225112, 369536, 379136, 438824, 450224, 739072, 877648, 900448, 1755296, 1800896, 3510592, 3601792, 4275647, 7021184, 7203584, 8551294, 14042368, 17102588, 34205176, 68410352, 81237293, 136820704, 162474586, 273641408, 324949172, 547282816, 649898344, 1094565632, 1299796688, 2599593376, 5199186752, 10398373504, 20796747008]

約数ペア:

[(1, 20796747008), (2, 10398373504), (4, 5199186752), (8, 2599593376), (16, 1299796688), (19, 1094565632), (32, 649898344), (38, 547282816), (64, 324949172), (76, 273641408), (128, 162474586), (152, 136820704), (256, 81237293), (304, 68410352), (608, 34205176), (1216, 17102588), (1481, 14042368), (2432, 8551294), (2887, 7203584), (2962, 7021184), (4864, 4275647), (5774, 3601792), (5924, 3510592), (11548, 1800896), (11848, 1755296), (23096, 900448), (23696, 877648), (28139, 739072), (46192, 450224), (47392, 438824), (54853, 379136), (56278, 369536), (92384, 225112), (94784, 219412), (109706, 189568), (112556, 184768)]