20148789860

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13800541}}^1$

素因数の和:13800623

約数の個数: 24

約数和(自身を含む): 42892084536

約数和(自身を除く): 22743294676

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 13800541, 27601082, 55202164, 69002705, 138005410, 276010820, 1007439493, 2014878986, 4029757972, 5037197465, 10074394930, 20148789860]

約数ペア:

[(1, 20148789860), (2, 10074394930), (4, 5037197465), (5, 4029757972), (10, 2014878986), (20, 1007439493), (73, 276010820), (146, 138005410), (292, 69002705), (365, 55202164), (730, 27601082), (1460, 13800541)]