20116551

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2377}}^1$

素因数の和:2431

約数の個数: 32

約数和(自身を含む): 34091008

約数和(自身を除く): 13974457

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2377, 2821, 7131, 8463, 16639, 30901, 49917, 73687, 92703, 216307, 221061, 515809, 648921, 957931, 1547427, 2873793, 6705517, 20116551]

約数ペア:

[(1, 20116551), (3, 6705517), (7, 2873793), (13, 1547427), (21, 957931), (31, 648921), (39, 515809), (91, 221061), (93, 216307), (217, 92703), (273, 73687), (403, 49917), (651, 30901), (1209, 16639), (2377, 8463), (2821, 7131)]