20909434

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{877}}^1$

素因数の和:1030

約数の個数: 32

約数和(自身を含む): 38941056

約数和(自身を除く): 18031622

約数列:

[1, 2, 7, 13, 14, 26, 91, 131, 182, 262, 877, 917, 1703, 1754, 1834, 3406, 6139, 11401, 11921, 12278, 22802, 23842, 79807, 114887, 159614, 229774, 804209, 1493531, 1608418, 2987062, 10454717, 20909434]

約数ペア:

[(1, 20909434), (2, 10454717), (7, 2987062), (13, 1608418), (14, 1493531), (26, 804209), (91, 229774), (131, 159614), (182, 114887), (262, 79807), (877, 23842), (917, 22802), (1703, 12278), (1754, 11921), (1834, 11401), (3406, 6139)]