20189295

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{599}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 40435200

約数和(自身を除く): 20245905

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 107, 315, 321, 535, 599, 749, 963, 1605, 1797, 2247, 2995, 3745, 4193, 4815, 5391, 6741, 8985, 11235, 12579, 20965, 26955, 33705, 37737, 62895, 64093, 188685, 192279, 320465, 448651, 576837, 961395, 1345953, 2243255, 2884185, 4037859, 6729765, 20189295]

約数ペア:

[(1, 20189295), (3, 6729765), (5, 4037859), (7, 2884185), (9, 2243255), (15, 1345953), (21, 961395), (35, 576837), (45, 448651), (63, 320465), (105, 192279), (107, 188685), (315, 64093), (321, 62895), (535, 37737), (599, 33705), (749, 26955), (963, 20965), (1605, 12579), (1797, 11235), (2247, 8985), (2995, 6741), (3745, 5391), (4193, 4815)]