20803077841

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{3617}}^1\times {\mathrm{9029}}^1$

素因数の和:12673

約数の個数: 24

約数和(自身を含む): 26071090920

約数和(自身を除く): 5268013079

約数列:

[1, 7, 13, 49, 91, 637, 3617, 9029, 25319, 47021, 63203, 117377, 177233, 329147, 442421, 821639, 2304029, 5751473, 32657893, 228605251, 424552609, 1600236757, 2971868263, 20803077841]

約数ペア:

[(1, 20803077841), (7, 2971868263), (13, 1600236757), (49, 424552609), (91, 228605251), (637, 32657893), (3617, 5751473), (9029, 2304029), (25319, 821639), (47021, 442421), (63203, 329147), (117377, 177233)]