20403774555

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{227581}}^1$

素因数の和:227771

約数の個数: 32

約数和(自身を含む): 33645722880

約数和(自身を除く): 13241948325

約数列:

[1, 3, 5, 15, 43, 129, 139, 215, 417, 645, 695, 2085, 5977, 17931, 29885, 89655, 227581, 682743, 1137905, 3413715, 9785983, 29357949, 31633759, 48929915, 94901277, 146789745, 158168795, 474506385, 1360251637, 4080754911, 6801258185, 20403774555]

約数ペア:

[(1, 20403774555), (3, 6801258185), (5, 4080754911), (15, 1360251637), (43, 474506385), (129, 158168795), (139, 146789745), (215, 94901277), (417, 48929915), (645, 31633759), (695, 29357949), (2085, 9785983), (5977, 3413715), (17931, 1137905), (29885, 682743), (89655, 227581)]