20258595

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{881}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 40727232

約数和(自身を除く): 20468637

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 73, 105, 219, 315, 365, 511, 657, 881, 1095, 1533, 2555, 2643, 3285, 4405, 4599, 6167, 7665, 7929, 13215, 18501, 22995, 30835, 39645, 55503, 64313, 92505, 192939, 277515, 321565, 450191, 578817, 964695, 1350573, 2250955, 2894085, 4051719, 6752865, 20258595]

約数ペア:

[(1, 20258595), (3, 6752865), (5, 4051719), (7, 2894085), (9, 2250955), (15, 1350573), (21, 964695), (35, 578817), (45, 450191), (63, 321565), (73, 277515), (105, 192939), (219, 92505), (315, 64313), (365, 55503), (511, 39645), (657, 30835), (881, 22995), (1095, 18501), (1533, 13215), (2555, 7929), (2643, 7665), (3285, 6167), (4405, 4599)]