20827754

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 34546176

約数和(自身を除く): 13718422

約数列:

[1, 2, 17, 34, 41, 67, 82, 134, 223, 446, 697, 1139, 1394, 2278, 2747, 3791, 5494, 7582, 9143, 14941, 18286, 29882, 46699, 93398, 155431, 253997, 310862, 507994, 612581, 1225162, 10413877, 20827754]

約数ペア:

[(1, 20827754), (2, 10413877), (17, 1225162), (34, 612581), (41, 507994), (67, 310862), (82, 253997), (134, 155431), (223, 93398), (446, 46699), (697, 29882), (1139, 18286), (1394, 14941), (2278, 9143), (2747, 7582), (3791, 5494)]