20189184535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1871}}^1\times {\mathrm{4049}}^1$

素因数の和:5979

約数の個数: 32

約数和(自身を含む): 26747884800

約数和(自身を除く): 6558700265

約数列:

[1, 5, 13, 41, 65, 205, 533, 1871, 2665, 4049, 9355, 20245, 24323, 52637, 76711, 121615, 166009, 263185, 383555, 830045, 997243, 2158117, 4986215, 7575679, 10790585, 37878395, 98483827, 310602839, 492419135, 1553014195, 4037836907, 20189184535]

約数ペア:

[(1, 20189184535), (5, 4037836907), (13, 1553014195), (41, 492419135), (65, 310602839), (205, 98483827), (533, 37878395), (1871, 10790585), (2665, 7575679), (4049, 4986215), (9355, 2158117), (20245, 997243), (24323, 830045), (52637, 383555), (76711, 263185), (121615, 166009)]