20042776

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{1009}}^1$

素因数の和:1219

約数の個数: 32

約数和(自身を含む): 40723200

約数和(自身を除く): 20680424

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 191, 382, 764, 1009, 1528, 2018, 2483, 4036, 4966, 8072, 9932, 13117, 19864, 26234, 52468, 104936, 192719, 385438, 770876, 1541752, 2505347, 5010694, 10021388, 20042776]

約数ペア:

[(1, 20042776), (2, 10021388), (4, 5010694), (8, 2505347), (13, 1541752), (26, 770876), (52, 385438), (104, 192719), (191, 104936), (382, 52468), (764, 26234), (1009, 19864), (1528, 13117), (2018, 9932), (2483, 8072), (4036, 4966)]