20156194935

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1240763}}^1$

素因数の和:1240812

約数の個数: 36

約数和(自身を含む): 36873024552

約数和(自身を除く): 16716829617

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 361, 855, 1083, 1805, 3249, 5415, 16245, 1240763, 3722289, 6203815, 11166867, 18611445, 23574497, 55834335, 70723491, 117872485, 212170473, 353617455, 447915443, 1060852365, 1343746329, 2239577215, 4031238987, 6718731645, 20156194935]

約数ペア:

[(1, 20156194935), (3, 6718731645), (5, 4031238987), (9, 2239577215), (15, 1343746329), (19, 1060852365), (45, 447915443), (57, 353617455), (95, 212170473), (171, 117872485), (285, 70723491), (361, 55834335), (855, 23574497), (1083, 18611445), (1805, 11166867), (3249, 6203815), (5415, 3722289), (16245, 1240763)]