20651488

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4513}}^1$

素因数の和:4547

約数の個数: 48

約数和(自身を含む): 47776176

約数和(自身を除く): 27124688

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4513, 4576, 9026, 18052, 36104, 49643, 58669, 72208, 99286, 117338, 144416, 198572, 234676, 397144, 469352, 645359, 794288, 938704, 1290718, 1588576, 1877408, 2581436, 5162872, 10325744, 20651488]

約数ペア:

[(1, 20651488), (2, 10325744), (4, 5162872), (8, 2581436), (11, 1877408), (13, 1588576), (16, 1290718), (22, 938704), (26, 794288), (32, 645359), (44, 469352), (52, 397144), (88, 234676), (104, 198572), (143, 144416), (176, 117338), (208, 99286), (286, 72208), (352, 58669), (416, 49643), (572, 36104), (1144, 18052), (2288, 9026), (4513, 4576)]