20503538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{1831}}^1$

素因数の和:2353

約数の個数: 16

約数和(自身を含む): 33635520

約数和(自身を除く): 13131982

約数列:

[1, 2, 11, 22, 509, 1018, 1831, 3662, 5599, 11198, 20141, 40282, 931979, 1863958, 10251769, 20503538]

約数ペア:

[(1, 20503538), (2, 10251769), (11, 1863958), (22, 931979), (509, 40282), (1018, 20141), (1831, 11198), (3662, 5599)]