20950052816

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1000289}}^1$

素因数の和:1000332

約数の個数: 80

約数和(自身を含む): 53583534720

約数和(自身を除く): 32633481904

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 34, 44, 56, 68, 77, 88, 112, 119, 136, 154, 176, 187, 238, 272, 308, 374, 476, 616, 748, 952, 1232, 1309, 1496, 1904, 2618, 2992, 5236, 10472, 20944, 1000289, 2000578, 4001156, 7002023, 8002312, 11003179, 14004046, 16004624, 17004913, 22006358, 28008092, 34009826, 44012716, 56016184, 68019652, 77022253, 88025432, 112032368, 119034391, 136039304, 154044506, 176050864, 187054043, 238068782, 272078608, 308089012, 374108086, 476137564, 616178024, 748216172, 952275128, 1232356048, 1309378301, 1496432344, 1904550256, 2618756602, 2992864688, 5237513204, 10475026408, 20950052816]

約数ペア:

[(1, 20950052816), (2, 10475026408), (4, 5237513204), (7, 2992864688), (8, 2618756602), (11, 1904550256), (14, 1496432344), (16, 1309378301), (17, 1232356048), (22, 952275128), (28, 748216172), (34, 616178024), (44, 476137564), (56, 374108086), (68, 308089012), (77, 272078608), (88, 238068782), (112, 187054043), (119, 176050864), (136, 154044506), (154, 136039304), (176, 119034391), (187, 112032368), (238, 88025432), (272, 77022253), (308, 68019652), (374, 56016184), (476, 44012716), (616, 34009826), (748, 28008092), (952, 22006358), (1232, 17004913), (1309, 16004624), (1496, 14004046), (1904, 11003179), (2618, 8002312), (2992, 7002023), (5236, 4001156), (10472, 2000578), (20944, 1000289)]