20298486

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1321}}^1$

素因数の和:1536

約数の個数: 32

約数和(自身を含む): 43975008

約数和(自身を除く): 23676522

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 197, 394, 591, 1182, 1321, 2561, 2642, 3963, 5122, 7683, 7926, 15366, 17173, 34346, 51519, 103038, 260237, 520474, 780711, 1561422, 3383081, 6766162, 10149243, 20298486]

約数ペア:

[(1, 20298486), (2, 10149243), (3, 6766162), (6, 3383081), (13, 1561422), (26, 780711), (39, 520474), (78, 260237), (197, 103038), (394, 51519), (591, 34346), (1182, 17173), (1321, 15366), (2561, 7926), (2642, 7683), (3963, 5122)]