20209982

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{4951}}^1$

素因数の和:5123

約数の個数: 16

約数和(自身を含む): 32861472

約数和(自身を除く): 12651490

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 4951, 9902, 64363, 128726, 777307, 1554614, 10104991, 20209982]

約数ペア:

[(1, 20209982), (2, 10104991), (13, 1554614), (26, 777307), (157, 128726), (314, 64363), (2041, 9902), (4082, 4951)]