20800442

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 35126784

約数和(自身を除く): 14326342

約数列:

[1, 2, 13, 26, 31, 62, 131, 197, 262, 394, 403, 806, 1703, 2561, 3406, 4061, 5122, 6107, 8122, 12214, 25807, 51614, 52793, 79391, 105586, 158782, 335491, 670982, 800017, 1600034, 10400221, 20800442]

約数ペア:

[(1, 20800442), (2, 10400221), (13, 1600034), (26, 800017), (31, 670982), (62, 335491), (131, 158782), (197, 105586), (262, 79391), (394, 52793), (403, 51614), (806, 25807), (1703, 12214), (2561, 8122), (3406, 6107), (4061, 5122)]