20960966

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1009}}^1$

素因数の和:1088

約数の個数: 32

約数和(自身を含む): 36650880

約数和(自身を除く): 15689914

約数列:

[1, 2, 13, 17, 26, 34, 47, 94, 221, 442, 611, 799, 1009, 1222, 1598, 2018, 10387, 13117, 17153, 20774, 26234, 34306, 47423, 94846, 222989, 445978, 616499, 806191, 1232998, 1612382, 10480483, 20960966]

約数ペア:

[(1, 20960966), (2, 10480483), (13, 1612382), (17, 1232998), (26, 806191), (34, 616499), (47, 445978), (94, 222989), (221, 94846), (442, 47423), (611, 34306), (799, 26234), (1009, 20774), (1222, 17153), (1598, 13117), (2018, 10387)]