20117846

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1427}}^1$

素因数の和:1508

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 16895914

約数列:

[1, 2, 7, 14, 19, 38, 53, 106, 133, 266, 371, 742, 1007, 1427, 2014, 2854, 7049, 9989, 14098, 19978, 27113, 54226, 75631, 151262, 189791, 379582, 529417, 1058834, 1436989, 2873978, 10058923, 20117846]

約数ペア:

[(1, 20117846), (2, 10058923), (7, 2873978), (14, 1436989), (19, 1058834), (38, 529417), (53, 379582), (106, 189791), (133, 151262), (266, 75631), (371, 54226), (742, 27113), (1007, 19978), (1427, 14098), (2014, 9989), (2854, 7049)]