20166615

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{877}}^1$

素因数の和:968

約数の個数: 48

約数和(自身を含む): 40542528

約数和(自身を除く): 20375913

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 73, 105, 219, 315, 365, 511, 657, 877, 1095, 1533, 2555, 2631, 3285, 4385, 4599, 6139, 7665, 7893, 13155, 18417, 22995, 30695, 39465, 55251, 64021, 92085, 192063, 276255, 320105, 448147, 576189, 960315, 1344441, 2240735, 2880945, 4033323, 6722205, 20166615]

約数ペア:

[(1, 20166615), (3, 6722205), (5, 4033323), (7, 2880945), (9, 2240735), (15, 1344441), (21, 960315), (35, 576189), (45, 448147), (63, 320105), (73, 276255), (105, 192063), (219, 92085), (315, 64021), (365, 55251), (511, 39465), (657, 30695), (877, 22995), (1095, 18417), (1533, 13155), (2555, 7893), (2631, 7665), (3285, 6139), (4385, 4599)]