20145484076

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{420293}}^1$

素因数の和:420841

約数の個数: 24

約数和(自身を含む): 36858102624

約数和(自身を除く): 16712618548

約数列:

[1, 2, 4, 23, 46, 92, 521, 1042, 2084, 11983, 23966, 47932, 420293, 840586, 1681172, 9666739, 19333478, 38666956, 218972653, 437945306, 875890612, 5036371019, 10072742038, 20145484076]

約数ペア:

[(1, 20145484076), (2, 10072742038), (4, 5036371019), (23, 875890612), (46, 437945306), (92, 218972653), (521, 38666956), (1042, 19333478), (2084, 9666739), (11983, 1681172), (23966, 840586), (47932, 420293)]