20199137215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{5003}}^1\times {\mathrm{42499}}^1$

素因数の和:47526

約数の個数: 16

約数和(自身を含む): 25520400000

約数和(自身を除く): 5321262785

約数列:

[1, 5, 19, 95, 5003, 25015, 42499, 95057, 212495, 475285, 807481, 4037405, 212622497, 1063112485, 4039827443, 20199137215]

約数ペア:

[(1, 20199137215), (5, 4039827443), (19, 1063112485), (95, 212622497), (5003, 4037405), (25015, 807481), (42499, 475285), (95057, 212495)]