20910838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{7963}}^1$

素因数の和:8079

約数の個数: 16

約数和(自身を含む): 34117776

約数和(自身を除く): 13206938

約数列:

[1, 2, 13, 26, 101, 202, 1313, 2626, 7963, 15926, 103519, 207038, 804263, 1608526, 10455419, 20910838]

約数ペア:

[(1, 20910838), (2, 10455419), (13, 1608526), (26, 804263), (101, 207038), (202, 103519), (1313, 15926), (2626, 7963)]