20962975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2459}}^1$

素因数の和:2511

約数の個数: 24

約数和(自身を含む): 29283840

約数和(自身を除く): 8320865

約数列:

[1, 5, 11, 25, 31, 55, 155, 275, 341, 775, 1705, 2459, 8525, 12295, 27049, 61475, 76229, 135245, 381145, 676225, 838519, 1905725, 4192595, 20962975]

約数ペア:

[(1, 20962975), (5, 4192595), (11, 1905725), (25, 838519), (31, 676225), (55, 381145), (155, 135245), (275, 76229), (341, 61475), (775, 27049), (1705, 12295), (2459, 8525)]