20353522

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:695

約数の個数: 48

約数和(自身を含む): 39644640

約数和(自身を除く): 19291118

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 49, 98, 119, 133, 238, 266, 323, 643, 646, 833, 931, 1286, 1666, 1862, 2261, 4501, 4522, 9002, 10931, 12217, 15827, 21862, 24434, 31507, 31654, 63014, 76517, 85519, 153034, 171038, 207689, 415378, 535619, 598633, 1071238, 1197266, 1453823, 2907646, 10176761, 20353522]

約数ペア:

[(1, 20353522), (2, 10176761), (7, 2907646), (14, 1453823), (17, 1197266), (19, 1071238), (34, 598633), (38, 535619), (49, 415378), (98, 207689), (119, 171038), (133, 153034), (238, 85519), (266, 76517), (323, 63014), (643, 31654), (646, 31507), (833, 24434), (931, 21862), (1286, 15827), (1666, 12217), (1862, 10931), (2261, 9002), (4501, 4522)]