20660276

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{269}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 44876160

約数和(自身を除く): 24215884

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 211, 269, 364, 422, 538, 844, 1076, 1477, 1883, 2743, 2954, 3497, 3766, 5486, 5908, 6994, 7532, 10972, 13988, 19201, 24479, 38402, 48958, 56759, 76804, 97916, 113518, 227036, 397313, 737867, 794626, 1475734, 1589252, 2951468, 5165069, 10330138, 20660276]

約数ペア:

[(1, 20660276), (2, 10330138), (4, 5165069), (7, 2951468), (13, 1589252), (14, 1475734), (26, 794626), (28, 737867), (52, 397313), (91, 227036), (182, 113518), (211, 97916), (269, 76804), (364, 56759), (422, 48958), (538, 38402), (844, 24479), (1076, 19201), (1477, 13988), (1883, 10972), (2743, 7532), (2954, 6994), (3497, 5908), (3766, 5486)]