20273695

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 27869184

約数和(自身を除く): 7595489

約数列:

[1, 5, 13, 23, 65, 71, 115, 191, 299, 355, 923, 955, 1495, 1633, 2483, 4393, 4615, 8165, 12415, 13561, 21229, 21965, 57109, 67805, 106145, 176293, 285545, 311903, 881465, 1559515, 4054739, 20273695]

約数ペア:

[(1, 20273695), (5, 4054739), (13, 1559515), (23, 881465), (65, 311903), (71, 285545), (115, 176293), (191, 106145), (299, 67805), (355, 57109), (923, 21965), (955, 21229), (1495, 13561), (1633, 12415), (2483, 8165), (4393, 4615)]