20499843

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1231}}^1$

素因数の和:1315

約数の個数: 32

約数和(自身を含む): 34220032

約数和(自身を除く): 13720189

約数列:

[1, 3, 7, 13, 21, 39, 61, 91, 183, 273, 427, 793, 1231, 1281, 2379, 3693, 5551, 8617, 16003, 16653, 25851, 48009, 75091, 112021, 225273, 336063, 525637, 976183, 1576911, 2928549, 6833281, 20499843]

約数ペア:

[(1, 20499843), (3, 6833281), (7, 2928549), (13, 1576911), (21, 976183), (39, 525637), (61, 336063), (91, 225273), (183, 112021), (273, 75091), (427, 48009), (793, 25851), (1231, 16653), (1281, 16003), (2379, 8617), (3693, 5551)]