20512101531

素因数分解:

$3^1\times {\mathrm{43}}^2\times {\mathrm{997}}^1\times {\mathrm{3709}}^1$

素因数の和:4795

約数の個数: 24

約数和(自身を含む): 28035935760

約数和(自身を除く): 7523834229

約数列:

[1, 3, 43, 129, 997, 1849, 2991, 3709, 5547, 11127, 42871, 128613, 159487, 478461, 1843453, 3697873, 5530359, 6857941, 11093619, 20573823, 159008539, 477025617, 6837367177, 20512101531]

約数ペア:

[(1, 20512101531), (3, 6837367177), (43, 477025617), (129, 159008539), (997, 20573823), (1849, 11093619), (2991, 6857941), (3709, 5530359), (5547, 3697873), (11127, 1843453), (42871, 478461), (128613, 159487)]