20513150785

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{397}}^1\times {\mathrm{6553}}^1$

素因数の和:7057

約数の個数: 32

約数和(自身を含む): 26293599360

約数和(自身を除く): 5780448575

約数列:

[1, 5, 19, 83, 95, 397, 415, 1577, 1985, 6553, 7543, 7885, 32765, 32951, 37715, 124507, 164755, 543899, 622535, 626069, 2601541, 2719495, 3130345, 10334081, 13007705, 49429279, 51670405, 215927903, 247146395, 1079639515, 4102630157, 20513150785]

約数ペア:

[(1, 20513150785), (5, 4102630157), (19, 1079639515), (83, 247146395), (95, 215927903), (397, 51670405), (415, 49429279), (1577, 13007705), (1985, 10334081), (6553, 3130345), (7543, 2719495), (7885, 2601541), (32765, 626069), (32951, 622535), (37715, 543899), (124507, 164755)]