20343721190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4423}}^1\times {\mathrm{35381}}^1$

素因数の和:39824

約数の個数: 32

約数和(自身を含む): 39445551936

約数和(自身を除く): 19101830746

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 4423, 8846, 22115, 35381, 44230, 57499, 70762, 114998, 176905, 287495, 353810, 459953, 574990, 919906, 2299765, 4599530, 156490163, 312980326, 782450815, 1564901630, 2034372119, 4068744238, 10171860595, 20343721190]

約数ペア:

[(1, 20343721190), (2, 10171860595), (5, 4068744238), (10, 2034372119), (13, 1564901630), (26, 782450815), (65, 312980326), (130, 156490163), (4423, 4599530), (8846, 2299765), (22115, 919906), (35381, 574990), (44230, 459953), (57499, 353810), (70762, 287495), (114998, 176905)]