20195995

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1\times {\mathrm{307}}^1$

素因数の和:594

約数の個数: 16

約数和(自身を含む): 24837120

約数和(自身を除く): 4641125

約数列:

[1, 5, 59, 223, 295, 307, 1115, 1535, 13157, 18113, 65785, 68461, 90565, 342305, 4039199, 20195995]

約数ペア:

[(1, 20195995), (5, 4039199), (59, 342305), (223, 90565), (295, 68461), (307, 65785), (1115, 18113), (1535, 13157)]