20177887768

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{821}}^1\times {\mathrm{45853}}^1$

素因数の和:46747

約数の個数: 32

約数和(自身を含む): 38445827760

約数和(自身を除く): 18267939992

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 821, 1642, 3284, 6568, 45853, 55007, 91706, 110014, 183412, 220028, 366824, 440056, 3072151, 6144302, 12288604, 24577208, 37645313, 75290626, 150581252, 301162504, 2522235971, 5044471942, 10088943884, 20177887768]

約数ペア:

[(1, 20177887768), (2, 10088943884), (4, 5044471942), (8, 2522235971), (67, 301162504), (134, 150581252), (268, 75290626), (536, 37645313), (821, 24577208), (1642, 12288604), (3284, 6144302), (6568, 3072151), (45853, 440056), (55007, 366824), (91706, 220028), (110014, 183412)]