20138757964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{8240081}}^1$

素因数の和:8240145

約数の個数: 24

約数和(自身を含む): 38761345728

約数和(自身を除く): 18622587764

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 188, 611, 1222, 2444, 8240081, 16480162, 32960324, 107121053, 214242106, 387283807, 428484212, 774567614, 1549135228, 5034689491, 10069378982, 20138757964]

約数ペア:

[(1, 20138757964), (2, 10069378982), (4, 5034689491), (13, 1549135228), (26, 774567614), (47, 428484212), (52, 387283807), (94, 214242106), (188, 107121053), (611, 32960324), (1222, 16480162), (2444, 8240081)]