20349910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4339}}^1$

素因数の和:4420

約数の個数: 32

約数和(自身を含む): 42497280

約数和(自身を除く): 22147370

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4339, 4690, 8678, 21695, 30373, 43390, 60746, 151865, 290713, 303730, 581426, 1453565, 2034991, 2907130, 4069982, 10174955, 20349910]

約数ペア:

[(1, 20349910), (2, 10174955), (5, 4069982), (7, 2907130), (10, 2034991), (14, 1453565), (35, 581426), (67, 303730), (70, 290713), (134, 151865), (335, 60746), (469, 43390), (670, 30373), (938, 21695), (2345, 8678), (4339, 4690)]