20189671635

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{27468941}}^1$

素因数の和:27468963

約数の個数: 24

約数和(自身を含む): 37577512656

約数和(自身を除く): 17387841021

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 27468941, 82406823, 137344705, 192282587, 412034115, 576847761, 961412935, 1345978109, 2884238805, 4037934327, 6729890545, 20189671635]

約数ペア:

[(1, 20189671635), (3, 6729890545), (5, 4037934327), (7, 2884238805), (15, 1345978109), (21, 961412935), (35, 576847761), (49, 412034115), (105, 192282587), (147, 137344705), (245, 82406823), (735, 27468941)]