20208398

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{647}}^1$

素因数の和:776

約数の個数: 32

約数和(自身を含む): 36578304

約数和(自身を除く): 16369906

約数列:

[1, 2, 7, 14, 23, 46, 97, 161, 194, 322, 647, 679, 1294, 1358, 2231, 4462, 4529, 9058, 14881, 15617, 29762, 31234, 62759, 104167, 125518, 208334, 439313, 878626, 1443457, 2886914, 10104199, 20208398]

約数ペア:

[(1, 20208398), (2, 10104199), (7, 2886914), (14, 1443457), (23, 878626), (46, 439313), (97, 208334), (161, 125518), (194, 104167), (322, 62759), (647, 31234), (679, 29762), (1294, 15617), (1358, 14881), (2231, 9058), (4462, 4529)]