20213477872

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7846847}}^1$

素因数の和:7846885

約数の個数: 40

約数和(自身を含む): 46704439296

約数和(自身を除く): 26490961424

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 7846847, 15693694, 31387388, 54927929, 62774776, 109855858, 125549552, 180477481, 219711716, 360954962, 439423432, 721909924, 878846864, 1263342367, 1443819848, 2526684734, 2887639696, 5053369468, 10106738936, 20213477872]

約数ペア:

[(1, 20213477872), (2, 10106738936), (4, 5053369468), (7, 2887639696), (8, 2526684734), (14, 1443819848), (16, 1263342367), (23, 878846864), (28, 721909924), (46, 439423432), (56, 360954962), (92, 219711716), (112, 180477481), (161, 125549552), (184, 109855858), (322, 62774776), (368, 54927929), (644, 31387388), (1288, 15693694), (2576, 7846847)]