20833245

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{241}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 38733552

約数和(自身を除く): 17900307

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 113, 153, 241, 255, 339, 565, 723, 765, 1017, 1205, 1695, 1921, 2169, 3615, 4097, 5085, 5763, 9605, 10845, 12291, 17289, 20485, 27233, 28815, 36873, 61455, 81699, 86445, 136165, 184365, 245097, 408495, 462961, 1225485, 1388883, 2314805, 4166649, 6944415, 20833245]

約数ペア:

[(1, 20833245), (3, 6944415), (5, 4166649), (9, 2314805), (15, 1388883), (17, 1225485), (45, 462961), (51, 408495), (85, 245097), (113, 184365), (153, 136165), (241, 86445), (255, 81699), (339, 61455), (565, 36873), (723, 28815), (765, 27233), (1017, 20485), (1205, 17289), (1695, 12291), (1921, 10845), (2169, 9605), (3615, 5763), (4097, 5085)]