20292415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 28994112

約数和(自身を除く): 8701697

約数列:

[1, 5, 11, 13, 55, 65, 101, 143, 281, 505, 715, 1111, 1313, 1405, 3091, 3653, 5555, 6565, 14443, 15455, 18265, 28381, 40183, 72215, 141905, 200915, 312191, 368953, 1560955, 1844765, 4058483, 20292415]

約数ペア:

[(1, 20292415), (5, 4058483), (11, 1844765), (13, 1560955), (55, 368953), (65, 312191), (101, 200915), (143, 141905), (281, 72215), (505, 40183), (715, 28381), (1111, 18265), (1313, 15455), (1405, 14443), (3091, 6565), (3653, 5555)]