20120863805

素因数分解:

$5^1\times 7^1\times {\mathrm{18869}}^1\times {\mathrm{30467}}^1$

素因数の和:49348

約数の個数: 16

約数和(自身を含む): 27596695680

約数和(自身を除く): 7475831875

約数列:

[1, 5, 7, 35, 18869, 30467, 94345, 132083, 152335, 213269, 660415, 1066345, 574881823, 2874409115, 4024172761, 20120863805]

約数ペア:

[(1, 20120863805), (5, 4024172761), (7, 2874409115), (35, 574881823), (18869, 1066345), (30467, 660415), (94345, 213269), (132083, 152335)]